Editorial
Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. Jun 10, 2015; 7(6): 575-581
Published online Jun 10, 2015. doi: 10.4253/wjge.v7.i6.575
Figure 2
Figure 2 Three-dimensional endoanal ultrasonography images. A: Normal appearance of the external anal sphincter (EAS) and internal anal sphincter (IAS); B: An IAS defect in woman as a complication of a previous anorectal surgery (due to fistula).