Mediastinal seminoma.
D000328:Adult; D001706:Biopsy; D004407:Dysgerminoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D008482:Mediastinum / Q000473:pathology; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011859:Radiography