preferred_name: Stage IVB Thyroid Gland Medullary Carcinoma AJCC v8
preferred_name_lc: stage ivb thyroid gland medullary carcinoma ajcc v8
label: Stage IVB Thyroid Gland Medullary Carcinoma AJCC v8
label_lc: stage ivb thyroid gland medullary carcinoma ajcc v8