Fig. 3
Upper margin of the surgical anal canal. The upper margin of the surgical anal canal marked using endocytoscopy (black ovals) coincided with the line demarcated with Lugol’s iodine staining
Fig. 3 | BMC Surgery
Upper margin of the surgical anal canal. The upper margin of the surgical anal canal marked using endocytoscopy (black ovals) coincided with the line demarcated with Lugol’s iodine staining