Fig. 3
From: An anatomic anal sphincter-saving procedure for rectal cancers located at anorectal junction
a MRI coronal view of patient pelvis pre- and post operatively (left and right, respectively) (arrow shows the infiltration of right portion of levetor ani muscle by the tumor and the defect remaining after the partial excision of levator muscle ani). Preoperative MRI was performed after neoadjuvant treatment (seventh week). b MRI axial view of the same patient’s area of interest