Papillary, Follicular, Hurthle Cell, Poorly Differentiated, and Anaplastic Thyroid Carcinoma TNM Finding v8

**Semantic type:** Finding

**Definition:** A finding about one or more characteristics of papillary, follicular, Hurthle cell, poorly differentiated, and anaplastic (undifferentiated) thyroid carcinoma, following the rules of the TNM AJCC v8 classification system. Medullary thyroid cancers are staged according to the classification for thyroid-medullary. Thyroid lymphomas are staged according to the classification for Hodgkin and non-Hodgkin lymphoma. There are no AJCC staging systems for thyroid cancer arising from thyroglossal duct cyst and thyroid cancer in malignant struma ovarii. (from AJCC 8th Ed.)

**Synonyms:** - Differentiated and Anaplastic Thyroid Carcinoma TNM Finding v8