Primary seminoma of the mediastinum.
D000328:Adult; D001344:Autopsy; D001706:Biopsy; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery; D009362:Neoplasm Metastasis; D011859:Radiography