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Surgical Case Reports
Fig. 1 | Surgical Case Reports

Fig. 1

From: Transperineal total mesorectal excision for rectal cancer on the residual rectum after multiple abdominal surgeries in a patient with Crohn’s disease: a case report

Fig. 1

Preoperative examination findings. a Colonoscopy showed a circumferential tumor in the residual rectum. b Contrast enema showed the tumor located at the low rectum (black arrow). c Magnetic resonance imaging revealed the circumferential tumor at the low rectum (dashed circle). The depth of wall invasion by the tumor was estimated as T2 because the muscle layer of the rectum was continuous

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