case_images: PMC7252201_01
case_images: Total colonoscopy revealed a lesion in the rectum below the peritoneal reflection (4 cm above the anal verge).
case_images: crg-0014-0248-g01.jpg
case_images: PMC7252201_01_crg-0014-0248-g01.jpg
case_images: F1
case_images: A total colonoscopy revealed a lesion in the rectum below the peritoneal reflection (4 cm above the anal verge) (Fig. 1).
case_images: Computed tomography images. The patient's body mass index had decreased from 41.7 kg/m2 (height: 179.8 cm; weight: 133.8 kg) to 34.3 kg/m2 (height: 177.4 cm; weight: 108.0 kg).
case_images: crg-0014-0248-g02.jpg
case_images: PMC7252201_01_crg-0014-0248-g02.jpg
case_images: F2
case_images: Preoperatively, the patient underwent nutrition management for 3 months, and his BMI decreased to 34.3 kg/m2 (height: 177.4 cm; weight: 108.0 kg) (Fig. 2).
case_images: A colonic pull-through segment of about 10 cm was left outside the anal canal without any tension and was fixed by sutures under indocyanine green fluorescence imaging.
case_images: crg-0014-0248-g03.jpg
case_images: PMC7252201_01_crg-0014-0248-g03.jpg
case_images: F3
case_images: A colonic pull-through segment of about 10 cm was left outside the anal canal without any tension and fixed by sutures under indocyanine green fluorescence imaging (ICG FI) (Fig. 3).
case_images: Final coloanal anastomosis was performed without diverting the stoma under indocyanine green fluorescence imaging.
case_images: crg-0014-0248-g04.jpg
case_images: PMC7252201_01_crg-0014-0248-g04.jpg
case_images: F4
case_images: It was sutured using 16 interrupted absorbable sutures without diverting the stoma under ICG FI (Fig. 4).