Case Report
Copyright ©The Author(s) 2022.
World J Gastrointest Endosc. Mar 16, 2022; 14(3): 183-190
Published online Mar 16, 2022. doi: 10.4253/wjge.v14.i3.183
Figure 2
Figure 2 Preoperative barium swallow. A: Zenker’s diverticulum; B: Size 4 cm × 7.1 cm, widening 1.1 cm before develop upper gastrointestinal bleeding.