title: Seminoma appearing as a retroperitoneal mass associated with a testicular scar.
mesh_terms: D000328:Adult; D004407:Dysgerminoma / Q000175:diagnosis / Q000473:pathology* / Q000532:radiotherapy; D006801:Humans; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000532:radiotherapy; D013737:Testis / Q000473:pathology*