title: Extragonadal mediastinal seminoma.
mesh_terms: D000328:Adult; D003131:Combined Modality Therapy; D003937:Diagnosis, Differential; D004407:Dysgerminoma / Q000175:diagnosis / Q000473:pathology* / Q000628:therapy; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000628:therapy; D008889:Military Personnel; D014481:United States