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Robotic total pelvic exenteration for rectal cancer: case report and review of literature.

We describe a case report of a robotic total pelvic exenteration (TPE) performed for a locally advanced rectal cancer at our institution in August 2018. Technical details and comparison with published literature are discussed. A 62-year-old patient with a locally advanced low rectal cancer T4N1cM0 with extramural vascular invasion (EMVI) underwent an elective robotic pelvic clearance performed by the urology and colorectal teams. He received neoadjuvant long-course chemo-radiotherapy to downstage the rectal cancer. The primary tumour was T4N1c with involvement of the bladder (trigone area) and prostate. After neoadjuvant therapy, MRI scan showed tumour regression grade 4 (TRG4). The patient underwent single docking totally robotic pelvic clearance. Patient's body mass index (BMI) was 32. The operative time was 400 minutes with the docking time of 15 minutes. There were no intraoperative complications, and the blood loss was 100ml. Histology was ypT4b, ypN1b, ypMx with 2/9 positive lymph nodes, and there was a complete resection by >1mm at all margins. The postoperative complications were ileus and urinary tract infection. Length of stay was 11 days complicated by prolonged ileus requiring total parenteral nutrition (TPN). The 30-day follow-up had no postoperative complications or readmission. The robotic approach is safe and feasible for multiorgan resections for locally advanced pelvic cancers, with curative intent. The literature supports it by highlighting the advantages of robotic pelvic surgery: better access, stable platform, quick inter-specialty change of operator by use of dual console and superior visualisation.