Thyroid Cancer Pathologic Primary Tumor TNM Finding v7

**Semantic type:** Finding

**Definition:** A pathologic finding about one or more characteristics of thyroid cancer, following the rules of the TNM AJCC v7 classification system as they pertain to staging of the primary tumor. Note: All categories may be subdivided: (s) solitary tumors and (m) multifocal tumor (the largest determines the classification) (from AJCC 7th Ed.)