title: A thyroid tumor in a 57-year-old man.
mesh_terms: D002277:Carcinoma / Q000473:pathology* / Q000556:secondary / Q000648:ultrastructure; D006651:Histocytochemistry; D006801:Humans; D007120:Immunochemistry; D007158:Immunologic Techniques; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D013964:Thyroid Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D001749:Urinary Bladder Neoplasms / Q000473:pathology / Q000556:secondary / Q000648:ultrastructure