Application of modified primary closure of the pelvic floor in laparoscopic extralevator abdominal perineal excision for low rectal cancer

Figure 4 Postoperative magnetic resonance imaging. A: Twelve-month postoperative Sagittal CT scan in the modified primary closure group; B: Twelve-month postoperative Sagittal CT scan in the biological mesh closure group; C: Twelve-month postoperative Coronal CT scan in the modified primary closure group; D: Twelve-month postoperative Coronal CT scan in the biological mesh closure group (the arrow shows the small intestine, and the arrowhead shows the bladder). CT: Computed tomography.