title: Extension of recurrent rectal carcinoma through sciatic foramen: diagnosis by computed tomography.
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000000981:diagnostic imaging* / Q000473:pathology; D000368:Aged; D002081:Buttocks; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local; D009408:Nerve Compression Syndromes / Q000000981:diagnostic imaging* / Q000473:pathology; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D012584:Sciatic Nerve; D014057:Tomography, X-Ray Computed