Thyroid Cancer pT4b Anaplastic Carcinoma TNM Finding v6

**Semantic type:** Finding

**Definition:** Anaplastic carcinoma extending beyond the capsule of the thyroid gland, which is surgically unresectable. (from AJCC 6th Ed.)

**Synonyms:** - pT4b Anaplastic Carcinoma of Thyroid v6 - pT4b Anaplastic Carcinoma of the Thyroid TNM Finding v6 - pT4b Anaplastic Carcinoma of the Thyroid v6