Review
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastrointest Endosc. Aug 16, 2013; 5(8): 379-390
Published online Aug 16, 2013. doi: 10.4253/wjge.v5.i8.379
Figure 4
Figure 4 Endoscopic images of patients with achalasia. A: Early achalasia; B: Advanced achalasia with a megaesophagus, hyperplasia of the esophageal epithelium.