Case Report
Copyright ©The Author(s) 2019.
World J Gastrointest Surg. Feb 27, 2019; 11(2): 112-116
Published online Feb 27, 2019. doi: 10.4240/wjgs.v11.i2.112
Figure 1
Figure 1 Barium swallow. A: Barium swallow revealing a bird’s beak sign; B: Postoperative normal barium swallow.