preferred_name: Stage IVB Thyroid Gland Medullary Carcinoma AJCC v7
preferred_name_lc: stage ivb thyroid gland medullary carcinoma ajcc v7
label: Stage IVB Thyroid Gland Medullary Carcinoma AJCC v7
label_lc: stage ivb thyroid gland medullary carcinoma ajcc v7