PMC4729731_01
Preoperative barium swallow examination
WIITM-10-26388-g001.jpg
PMC4729731_01_WIITM-10-26388-g001.jpg
F0001
Under the control of the laparoscope, two trocars (10 mm and 12 mm) on the left side of the abdomen and two 10 mm trocars on the right side of the abdomen were inserted (Figure 1).