preferred_name: Stage IVB Thyroid Gland Undifferentiated (Anaplastic) Carcinoma AJCC v7
preferred_name_lc: stage ivb thyroid gland undifferentiated (anaplastic) carcinoma ajcc v7
label: Undifferentiated (Anaplastic) Stage IVB Thyroid Gland Cancer
label_lc: undifferentiated (anaplastic) stage ivb thyroid gland cancer