Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Dec 28, 2015; 21(48): 13542-13547
Published online Dec 28, 2015. doi: 10.3748/wjg.v21.i48.13542
Figure 1
Figure 1 Preoperative examination. A: A 0.8 cm submucosal lesion was observed 60 cm from the anal verge (ascending colon). The mass was sessile, the mucosal surface was smooth, with non-necrotic erosion, and was non-circumferential. B: Ultrasonographic examination revealed a 0.5 cm hypoechoic submucosal lesion without muscularis propria involvement.