[Thymoma].
D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D011859:Radiography; D013945:Thymoma / Q000000981:diagnostic imaging* / Q000473:pathology; D013953:Thymus Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology