[Clinical case].
D012809:Colon, Sigmoid / Q000473:pathology; D003251:Constriction, Pathologic / Q000473:pathology; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D020047:Rectocele / Q000175:diagnosis*; D012007:Rectum / Q000473:pathology