title: Nonfamilial medullary thyroid carcinoma.
mesh_terms: D000328:Adult; D000368:Aged; D002116:Calcitonin / Q000097:blood; D002277:Carcinoma / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D013964:Thyroid Neoplasms / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D013965:Thyroidectomy
chemical_list: D002116:Calcitonin