title: X-ray of the month: primary seminoma of the anterior mediastinum.
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D004407:Dysgerminoma / Q000000981:diagnostic imaging* / Q000532:radiotherapy; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging* / Q000532:radiotherapy; D011859:Radiography