anal sphincter

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Laparoscopic Intersphincteric Resection for Intra-Anal...

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44-year-old female patient (BMI 19.5) with intra-anal rectal adenocarcinoma (Roullier type 3). In preoperative MRI/CT - T2N0M0, no involvement of external anal sphincter. She underwent neoadjuvant radiotherapy...