Hidden Metachronous Invasive Rectal Cancer after Repeated Endoscopic Treatment Following Ileorectal Anastomosis for Familial Adenomatous Polyposis: A Case Report
ABSTRACT INTRODUCTION Patients with familial adenomatous polyposis (FAP) who undergo colectomy with ileorectal anastomosis (IRA) are at risk of adenoma recurrence and malignant transformation in the residual rectum. Advances in endoscopic techniques have enabled intensive surveillance with aggressive polypectomy to red...