Brief Article
Copyright ©2010 Baishideng.
World J Gastroenterol. Jun 21, 2010; 16(23): 2913-2917
Published online Jun 21, 2010. doi: 10.3748/wjg.v16.i23.2913
Figure 2
Figure 2 The margin and center areas of the ulcer floor. The margin includes the outer 5 mm edge of the ulcer, and the remaining area is defined as the center.