title: [Primary mediastinal seminoma in a young boy].
mesh_terms: D002648:Child; D004407:Dysgerminoma / Q000175:diagnosis* / Q000628:therapy; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis* / Q000628:therapy
vernacular_title: Pierwotny nasieniak śródpiersia u chłopca.