title: Retroperitoneal mass: testicular tumor.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging / Q000556:secondary*; D013724:Teratoma / Q000000981:diagnostic imaging / Q000556:secondary*; D013736:Testicular Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed; D014463:Ultrasonography