Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 7, 2013; 19(41): 7146-7153
Published online Nov 7, 2013. doi: 10.3748/wjg.v19.i41.7146
Figure 2
Figure 2 A determination of region of interest. A: A white light image of a flatelevated lesion located in the sigmoid colon; B: A depressed area observed on chromoendoscopy (the area surrounded by yellow arrows). The region of interest for color tone analysis was chosen by the endoscopist based on the findings of non-magnifying narrow-band imaging or chromoendoscopy.