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