89 may differ. Hurthle cell carcinoma (HCC) of the thyroid gland is one of the lesser-known thyroid cancer types. The majority of patients with thyroid cancer are at low risk for recurrence (<5%), 1-3 and their risk of cancer-related death is even lower. Papillary thyroid carcinoma (PTC) is the most common form of well-differentiated thyroid cancer, and the most common form of thyroid cancer to result from exposure to radiation. ICD 9 Codes:History of cancer of the stomach; History of malignant neoplasm of stomach; Conditions classifiable to C16. 9) Y Cases diagnosed 1/1/2017 forward New Term 8504/2 Encapsulated papillary carcinoma (C50. or in cases with high number of cancer foci. BRAF mutations are not found in follicular thyroid cancer, medullary carcinomas, or benign tumors, so the presence of the mutation can help distinguish different types of thyroid cancer. The American Thyroid Association (ATA) and National Comprehensive Cancer Network (NCCN) thyroid cancer guidelines recommend hemithyroidectomy as an acceptable surgical treatment option for low-risk thyroid cancer. Thyroid papillary carcinoma was defined using the ICD-O topographic (C73) and morphologic codes (8050, 8260, 8340–8344, 8350, 8450, 8452, and 8460;. 00 became effective on October 1, 2023. 2019 Jun;64(3):433-440. A thyroid cancer measuring 10 mm or less rarely presents significant problems, says Dr. Approximately 5% of thyroid cancers are. Thyroid. Adverse effect of thyroid hormones. [5] [6] [7] A recent report of autopsy results. 4% to 25. Look in the ICD-10-CM Alphabetic Index for Cancer - see also Neoplasm, by site, malignant. Most patients with a follicular adenoma are clinically and biochemically euthyroid. (2015) 25 (4):410–6. and papillary M8340 3 193. ICD-10-PCS Code: For the left thyroid lobectomy with isthmectomy and frozen section: 0UJD7ZZ. 9)Background: The extent of surgery for differentiated thyroid cancer (DTC) remains a controversial issue. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM. C54. 0000000000000520. It is considered a 'pre-malignant' lesion of the RAS-like gro. About 50% of PTC are of the classical subtype, while the other 50% are made up of less common histologic variants. com ICD-10-CM Diagnosis Code C73 [convert to ICD-9-CM] Malignant neoplasm of thyroid gland. Instruction stated codes as: 1) D70. This is the American ICD-10-CM version of C67. Revised text to state that the 10-year relative survival rate for thyroid cancer is 98. Learn more about the importance of site-specific metastasis and survival in PTC by. However, there are. Metastatic thyroid cancer is. The 2024 edition of ICD-10-CM C54. Type 1 Excludes. The patient has papillary thyroid cancer that has spread to the lymph nodes of the cervical area of the neck. All neoplasms are classified in this chapter, whether. 9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2 Malignant neoplasm of left kidney, except ren. C50. Only 3 operations met criteria for true "recurrence," while 71 operations were categorized as persistent disease. A solid 30 mm mass (arrow) in the middle lobe of the right lung (A) and several 5 mm nodules (arrowheads) (B) can be seen in both lungs. 850 for Personal history of malignant neoplasm of thyroid is a medical classification as listed by WHO under the range - Factors influencing health status and contact with health services . Cari M Kitahara, 1. a lobectomy/partial thyroidectomy removes only the lobe affected by the tumor. C74. 0 may differ. Surgery. 0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 7 is grouped within Diagnostic Related Group(s) (MS-DRG v 41. Short description: Malign neopl thyroid. ICD-10-CM Diagnosis Code Z85. The 2024 edition of ICD-10-CM C50. Of the 667 patients with papillary thyroid cancer treated with radioactive iodine therapy, 570 patients were included in this study. ICD-10 code for papillary thyroid cancer? Solution. 00 may differ. From 1975 to 2009, microscopic papillary thyroid carcinoma (mPTC) incidence skyrocketed 49%; yet, mortality remained stable. g. pdf 04/15/2022 Years Figure 4c. There were 690 patients who were included in the statistical analysis who had sufficient data available on clinical features and outcomes. 1X5A 3) C73 4) R50. 113 is applicable to maternity patients aged 12 - 55 years inclusive. 912 may differ. Get free rules, notes, crosswalks, synonyms, history for ICD-10 code D01. Known factors that increase the chance of developing papillary thyroid cancer are radiation exposure to the head and neck area, iodine deficiency and history of thyroid diseases. Cryoablation uses a gas to freeze and kill cancer cells. Most papillary thyroid cancers are small and respond well to treatment, even if the cancer cells spread to the lymph nodes in the neck. Metastatic thyroid cancer is. 0 - other international versions of ICD-10 C75. doi: 10. This addendum has been issued to provide interim guidance for pathologists to understand. 238 [convert to ICD-9-CM] Search Results. and morphology codes available in CCR. ICD-10: C73 - malignant neoplasm of thyroid gland ICD-O:. Papillary microcarcinoma is a subset of papillary thyroid cancer defined as a nodule measuring less than or equal to 1 cm. Find out the code history, synonyms, clinical information and MS-DRG groupings for C73. 8% of recurrent cases, spread outside the neck was noted. SEER Program Coding and Staging Manual 2022 Appendix C: Coding Guidelines 1 . [ICD-O-3] topography code C73. ICD-10 Games Learn codes with classic games like Flashcards and Hangman. 41 - 50 of 2,408 Results. Most patients are 25 to 65 years of age when first diagnosed; women are more affected than men. The behavior code /2 has not been assigned to thyroid tumors. The overall survival for primary thyroid lymphoma is 50% to 70%, ranging from 80% in stage IE to less than 36% in stage IIE and IVE in 5 years. Thyroid Gland C739 . There remains much debate among thyroid cancer attention. Open bite of thyroid gland. (Diagnosis to report if no further positive findings. Papillary thyroid cancer in a struma ovarii in a 17-year-old nulliparous patient: a case report. 6 - other international versions of ICD-10 C67. ICD-9-CM 193 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 193 should only be used for claims with a date of service on or before September 30, 2015. 3 may differ. This is the American ICD-10-CM version of H46. Papillary thyroid cancer can often spread to lymph nodes. The overall survival for primary thyroid lymphoma is 50% to 70%, ranging from 80% in stage IE to less than 36% in stage IIE and IVE in 5 years. Applicable To. We can connect you with trained cancer information specialists who will answer questions about a cancer diagnosis and provide guidance and a compassionate ear. Hürthle cell carcinoma of the thyroid gland is an unusual and relatively rare type of differentiated thyroid cancer. New Term 8343/3 Encapsulated follicular variant of papillary thyroid carcinoma, NOS (EFVPTC, NOS) (C73. ICD-10-CM Code for Personal history of malignant neoplasm of thyroid Z85. If you downloaded the ICD-O-3 SEER Site/Histology Validation List previously posted on 4/25/2023, please discard the file. Look in the Table of Neoplasms for Neoplasm, neoplastic/thyroid (gland). Papillary thyroid cancer. C64 Malignant neoplasm of kidney, except renal pe. This study analyzes the clinical features, treatment outcomes, and prognostic factors of PTC patients with brain and multi-organ metastases. 3%) with an average age of 43 years. Background Lateral lymph node metastasis (LLNM) is frequent in papillary thyroid carcinoma (PTC) and is associated with a poor prognosis. 1 - other international versions of ICD-10 C22. Search All ICD-10 Toggle Dropdown. A, B: Computed tomography findings in the lung. All neoplasms are classified in this chapter, whether. 51 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 0 became effective on October 1, 2023. 8050 3 8260 3. The following ICD. What Is the ICD 10 Code for Thyroid Cancer? For primary thyroid cancer, the general ICD-10 code is C73 (malignant neoplasm of the thyroid gland), whereas for secondary or metastatic tumors, the ICD-10 code is C79. 1 - other international versions of ICD-10 C54. (Sequence correctly. There are 5 main types of thyroid cancer: Not Papillary thyroid cancer. All neoplasms are classified in this chapter, whether they are functionally active or not. 2 became effective on October 1, 2023. All neoplasms are classified in this chapter. All neoplasms are classified in this chapter, whether. OCR Morphologic Codes ICD-O-3 80762 = Squamous cell carcinoma in situ with questionable Nonmelanoma Skin 80500 = Papilloma, NOS 80502 = Papillary carcinoma in situ 80503 = Papillary carcinoma, NOS 80510 = Verrucous papilloma 80513 = Verrucous carcinoma, NOS 80520 = Squamous cell papilloma, NOS 80522 = Papillary squamous. MeSH Codes: D013964, D013964, D004701. Roth LM, Talerman A. Thyroid Gland C739 . 6 may differ. Context: Small papillary thyroid cancer (PTC) generally has an excellent prognosis. 10 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. This rate means that, on average, you’re about 80% as likely to live for. 9 (i. Results We. 0 became effective on October 1, 2023. Updated 1/10/18 Status ICD‐O‐3 Morphology Code Term Reportable Y/N Comments New Term 8343/2 Non‐invasive EFVPTC (C73. 0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is an indolent thyroid tumor that was previously classified as an encapsulated follicular variant of papillary thyroid carcinoma, necessitating a new classification as it was recognized that encapsulated tumors without invasion have an indolent behavior, and may be over-treated if classified as a type of cancer. ATC is an uncommon form of thyroid cancer only accounting for 1-2% of cases, but due to its high mortality, is responsible for 20-50% of deaths from thyroid cancer. Although papillary thyroid cancer (PTC) shows a low malignancy and good prognosis, approximately 25% of patients with PTC experience post-surgery recurrence during long-term follow-up beyond 20. 113 is applicable to maternity patients aged 12 - 55 years inclusive. Introduction. 113 became effective on October 1, 2023. Methods Clinical, radiographic, and cytopathologic findings were retrospectively analyzed in a pediatric cohort (≤19 years) identified with ICD-10 codes for thyroid nodules and thyroid cancer from January 2017 until May 2021. 0):Background: Although multifocality is often observed in papillary thyroid carcinoma (PTC), the associations with clinicopathologic factors and the prognostic value are still controversial. ICD-10-CM Diagnosis Code S11. The 2024 edition of ICD-10-CM C76. Completion thyroidectomy might be necessary when MPTC is diagnosed. 87 should only be used for claims with a date of service on or before September 30, 2015. . Coding Hormone Therapy . Get free rules, notes, crosswalks, synonyms, history for ICD-10 code O99. 6 × 4. KEYWORDS : lymph nodes, neck, neck dissection, outcomes, prognosis,. C64. Papillary thyroid carcinoma was also the most common histotype in Filipinos, accounting for 89% of thyroid cancer cases. Enlargement of the thyroid gland. Thyroid nodules are very common, occurring in up to 50% of people. (Diagnosis to report if no further positive findings. PTC is a slowly progressive cancer with high survival rate. Coding Guidelines . In 64. The patients that recur often require surgery and further radioactive iodine to render them disease-free. 62 year old woman with 2 different types of RAS mutations in a papillary thyroid carcinoma from a struma ovarii and papillary thyroid microcarcinoma of the thyroid (J Endocr Soc 2018;2:944)Eight out of 10 people who have thyroid cancer develop the papillary type. 87 (Personal history of malignant neoplasm of thyroid) during baseline were excluded to allow for identification of incident cancers during follow-up. Papillary carcinoma of the breast, also known as intraductal papillary carcinoma, is a rare type of breast cancer that accounts for only 0. About half of the patients were followed more than 10 years after thyroid cancer treatment. Five percent of thyroid cancer patients, however, will eventually succumb to their disease. Code the following using ICD-10-CM codes: The patient has papillary thyroid cancer that has spread to the lymph nodes of the cervical area of the neck. 51 may differ. C739 Coding Hormone Therapy Code Hormone Therapy as 01 for follicular and/or papillary thyroid cancer when thyroid hormone therapy is given. 912 may differ. 1 - other international versions of ICD-10 C54. To decreaseThyroid neoplasm is a neoplasm or tumor of the thyroid. ICD-10-CM Code. Patients with unknown American Joint Committee on Cancer. All neoplasms are classified in this chapter, whether. 17 The following codes for papillary, follicular, and Hurthle cell carcinoma were included: 8050/3, 8260/3, 8340/3, 8342/3, 8343/3, 8344. C73-C75 - Malignant neoplasms of thyroid and other endocrine glands. About the ICD-10 Code Lookup. Papillary thyroid cancer (papillary thyroid carcinoma, PTC) is the most common type of thyroid cancer, representing 75 percent to 85 percent of all thyroid cancer cases. 5) ICD-10-CM Diagnosis Code S11. A primary or metastatic malignant neoplasm affecting the thyroid gland. (Funded by the French National. by TNM staging. poorly differentiated thyroid carcinoma (pdtc) is malignant neoplasm of follicular cell origin showing intermediate histopathological patterns between differentiated and undifferentiated thyroid cancers. 5% of all new cases of invasive breast cancers. The 2024 edition of ICD-10-CM C48. Malignant neoplasms. There are 5 main types of thyroid cancer: Not Papillary thyroid cancer. The 2024 edition of ICD-10-CM C80. ICD-O-3 Site Codes. Given this change in treatment paradigms, an increasing number of people are undergoing hemithyroidectomy. More than half of the patients required. Many reoperations for papillary thyroid carcinoma are for management of persistent disease. This is the American ICD-10-CM version of C54. This study examined the risk of survival in patients with small thyroid cancers that were treated total thyroidectomy vs lobectomy. Since thyroid cancer is relatively common, and papillary thyroid cancer is the most common form of thyroid cancer, it is very likely that you will know somebody that. 2022. 280. O9A. The 2024 edition of ICD-10-CM D09. Differentiated thyroid cancerThe PDF and Excel files for the ICD-O-3 SEER Site/Histology Validation List dated 4/25/2023 have since been removed from this site. 2 [convert to ICD-9-CM] Rupture of papillary muscle, not elsewhere classified. Ann Surg 2014;260:601-7. The Bethesda System for Reporting Thyroid Cytopathology Edmund S. Thyroid cancer stage A: Excluded diagnosis. Epub 2013 Nov 22. Papillary Thyroid Cancer in Patients 55 years and Older. 1 Introduction. 1 - other international versions of ICD-10 C56. 01. Papillary thyroid carcinoma is the predominant form of thyroid cancer, accounting for 80 to 85% of all thyroid cancer cases. 0 may differ. 5) ICD-10-CM Diagnosis Code S11. PTC is an unencapsulated tumor with papillary and follicular structures characterized histologically by overlapping cell nuclei with ground glass appearance and invaginations of cytoplasm into. 1 may differ. ICD-10-CM Code. Z85. ICD-10-CM Code for Personal history of malignant neoplasm of thyroid Z85. 9. Do not code replacement therapy as treatment . 500 results found. 2 [convert to ICD-9-CM] Rupture of papillary muscle, not elsewhere classified. ICD-10 Games Learn codes with classic games like Flashcards and Hangman. Search Results. Types and stages. 20071076, 20081127, 20110027, 20150023, and 20180008). There were 690 patients who were included in the statistical analysis who had sufficient data available on clinical features and outcomes. The diagnosis and treatment of recurrent or persistent papillary carcinoma of the thyroid can pose significant clinical dilemmas. While The Bethesda System for Reporting Thyroid Cytopathology (TBSRTC) has provided invaluable terminology standardization, a performance comparison for this diagnostic category has. The patient was extubated observing bilateral movement of the vocal cords. ICD-10-CM Diagnosis Code S11. 0 - other international versions of ICD-10 E89. It is not necessary to follow the “see also” note when the original main term provides the necessary code. This free tool is designed to help billers and coders navigate the new ICD-10-CM code set. Papillary thyroid carcinoma is the predominant form of thyroid cancer, accounting for 80 to 85% of all thyroid cancer cases. 87 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, V10. Tumors of the thyroid gland were identified using the ICD-O-3. Do not code replacement therapy as treatment unless the tumor is papillary and/or follicular. The mean follow-up period was 9. It usually has an excellent prognosis and treatment, most commonly. ICD-10-CM Coding Rules. 113 is applicable to female patients. External beam radiotherapy (EBRT) is used infrequently in the management of differentiated thyroid cancer. We included all incident cases of cancer with “thyroid” as the site of origin (The International Classification of Diseases for Oncology, 3rd Revision 7 [ICD-03], code 73. It has not spread to nearby lymph nodes (N0) or distant sites (M0). The 5- and 10-year overall survival in the patient group with papillary cancer was 97% and 95% respectively, in the group with follicular cancer it was 78% and 50% respectively and in the group with medullary cancer it was 91% and 82% respectively. Results We. the doctor's impression was that the patient had papillary carcinoma of the thyroid. 2 may differ. Approximately 90% of thyroid cancer cases are well differentiated, and are usually classified as papillary thyroid carcinoma (PTC) or. 0 - other international versions of ICD-10 D44. 1 Papillary thyroid carcinomas measuring 10 mm or less were first defined by the World Health Organization as papillary thyroid microcarcinomas (mPTCs). 8% of all newly diagnosed cancer (). 0) For liver cancers, there are eight codes in the ICD-10-CM, with 6 of the codes designating a specified histology. 2018 Dec 27;11(1):26. Because NIFTP tumors are. 0 became effective on. ICD-9-CM V10. C15-C26 Malignant neoplasms of digestive organs. nodes of neck from thyroid; Secondary malignant neoplasm of right lung from thyroid; Thyroid cancer metastatic to bone; Thyroid cancer metastatic to unspecified site; code to identify any functional. Thyroid carcinoma (TC) is the most frequent endocrine malignancy, accounting for approximately 3. ” Journal of the Royal Society of Medicine, Sage, 1 July 2002,. 0 - other international versions of ICD-10 C75. No papillary structure, atypia, or mitosis is present. We report the case of a breast cancer survivor, diagnosed with an underlying CHEK2 c. The 2024 edition of ICD-10-CM H46. ICD-0 : 8260/3 – papillary. Nodules that are 7-10 mm occasionally will exhibit suspicious features that do prompt a needle biopsy (fine needle aspiration). ICD-10-CM Diagnosis Code Z81. Lymphoepithelioma (Schminke tumor) (also. (Sequence correctly. Non-invasive follicular thyroid neoplasm with papillary-like nuclearfeatures (NIFTP): a review and update Endocrine. nodes of neck from thyroid; Secondary malignant neoplasm of right lung from thyroid; Thyroid cancer metastatic to bone; Thyroid cancer metastatic to unspecified site; code to identify any functional. 3390/cancers11010026. 500 results found. ICD-9-CM code: The patient has papillary thyroid cancer. Dataset for Thyroid Cancer Histopathology Reports in section 5. The 2024 edition of ICD-10-CM D09. 6% (range, 1-6%). Suspicious for cancer - 2. Nodules that are 7-10 mm occasionally will exhibit suspicious features that do prompt a needle biopsy (fine needle aspiration). of the thyroid, anaplastic; Cancer of the thyroid, follicular; Cancer of the thyroid, hurthle cell; Cancer of the thyroid, medullary; Cancer of the thyroid, metastatic to bone; Cancer of the thyroid, papillary; Cancer of the thyroid, with metastasis to. Under a microscope, papillary carcinoma looks similar to fingerlike projections called papules. ” 3 The increasing incidence is solely attributable to papillary thyroid carcinoma (PTC), a tumor named for its papillary growth. 3 - other international versions of ICD-10 D09. classified according to the ICD for Oncology (ICD-O-3) and grouped into major histological subtypes, corresponding to papillary thyroid cancer (8050, 8260, 8340–8344, 8350, 8450–8460),. ICD-10-CM C73 is a billable/specific code for a primary or metastatic malignant neoplasm of the thyroid gland, including papillary thyroid carcinoma. A hypoechoic mass measuring 8. 00 became effective on October 1, 2023. 1186/s13044-021-00106-0. More than half of the patients required. ICD-10-CM Diagnosis Code I51. 850 for Personal history of malignant neoplasm of thyroid is a medical classification as listed by WHO under the range - Factors influencing health status and contact with health services . Papillary thyroid microcarcinoma is usually negative for p63, in. Search Results. All neoplasms are classified in this chapter. pt had thyroid cancer, fever and chemo drug induced agranulocytosis. The 2024 edition of ICD-10-CM C75. Similar trends have been observed internationally (). The 2021 ICD-O-3. Findings This cohort study of 30 568 patients with papillary thyroid carcinoma over a 31-year time frame found that the standardized incidence ratio was statistically significant for all cancer types, including solid malignant tumors and leukemias. 850 became effective on October 1, 2023. Introduction. However, long-term recurrence is not uncommon and sometimes leads to morbidity or mortality. 280 is grouped within Diagnostic Related Group(s) (MS-DRG v 41. Learn more about the importance of site-specific metastasis and survival in PTC by. It used to be considered. We queried the Surveillance, Epidemiology, and End Results registry for patients diagnosed with well-differentiated thyroid carcinoma between 1988 and 2003. Z codes represent reasons for encounters. Surgery . Morphology & Grade ICD-O-3 Morphology Codes. Now, with more effective imaging, they can detect cancers measuring 0. 2014. Some papillary tumors can be benign. 2% (J Clin Endocrinol Metab 2014;99:E276) In Asia, incidence is much lower ( 10%) due to certain biological differences and historically higher diagnostic threshold for PTC nuclei (Endocr Pathol. 32. C73 Is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Five percent of thyroid cancer patients, however, will eventually succumb to their disease. 2 - other international versions of ICD-10 C48. Here we report a case of PTMC with multiple lung metastases. Investigators reviewed pathology specimens from 61 follicular variant papillary thyroid cancers obtained between 2009 and 2016 from the University of Chicago. ICD-10-CM Diagnosis Code O99. About 50% of PTC are of the classical subtype, while the other 50% are made up of less common histologic variants. Ann Surg 2014;260:601-7. Stage II (T2, N0, M0): The tumor is more than 2 cm but not larger than 4 cm across and has not grown outside the thyroid. Noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) is an encapsulated or clearly delimited, noninvasive neoplasm with a follicular growth pattern and nuclear features of papillary thyroid carcinoma (PTC). 280. 2% (J Clin Endocrinol Metab 2014;99:E276) In Asia, incidence is much lower ( 10%) due to certain biological differences and historically higher diagnostic threshold for PTC nuclei (Endocr Pathol. C67. doi: 10. Cancer of the thyroid, metastatic to bone; Cancer of the thyroid, papillary; Cancer of the thyroid, with metastasis to bilateral lungs; Cancer of the thyroid, with metastasis to left lung; Cancer of the thyroid, with. See also, ICD-10 Table of Neoplasms. Differentiated thyroid carcinoma (papillary and follicular) has a favorable prognosis with an 85% 10-year survival. If it is an ICD-O code, then this does not describe a malignant cancer in all. Follicular adenoma 8330/0; Hyalinizing trabecular tumour 8336/1; Other encapsulated follicular patterned thyroid tumours Follicular tumours of uncertain malignant potential 8335/1; Well differentiated tumour of uncertain malignant potential 8348/1; Noninvasive follicular thyroid neoplasm. BRAF V600E is the most frequent mutation, particularly in tall cell and classic variants. For reporting purposes, head and. About half of the patients were followed more than 10 years after thyroid cancer treatment. A total of 6 of the 102 patients (6%) had an adverse oncologic event (5 spread to neck lymph nodes and 1 to lungs). Patients now present with central compartment metastatic disease after initial thyroid cancer surgery,. 0. The incidence rate of thyroid cancer in 2007 almost doubled since 1997, climbing to 11. However, not all histologic types of the neoplasms have specific ICD-O code numbers. The estimated number of new. 850 is a billable diagnosis code used to specify a medical diagnosis of personal history of malignant neoplasm of thyroid. The thyroid gland produces hormones that influence essentially every organ, tissue and cell. malignant carcinoid tumor of the thymus (. Z85. Papillary . 850 is exempt from POA reporting ( Present On Admission). The mean patient age was 14 years (interquartile range 11-16. 3% of all cancer deaths. [2] MTC was first characterized in 1959. Background: Distant metastasis from papillary thyroid microcarcinoma (PTMC) is rare.