preferred_name: Stage IVC Thyroid Gland Undifferentiated (Anaplastic) Carcinoma AJCC v8
preferred_name_lc: stage ivc thyroid gland undifferentiated (anaplastic) carcinoma ajcc v8
label: Stage IVC Thyroid Gland Anaplastic Carcinoma AJCC v8
label_lc: stage ivc thyroid gland anaplastic carcinoma ajcc v8