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![Advances and understanding pitfalls of laparoscopic transhiatal esophagectomy with <i>en bloc</i> mediastinal lymph node dissection](https://image.oaes.cc/b21f7d99-6eeb-4314-8d59-8313a80d10ef/3593.fig.1.jpg)
Figure 1. Intraoperative view of ports and incision locations on the abdomen[11]. A lap disc was inserted into the upper abdomen. Three 12-mm ports were introduced (right side of the umbilicus, left hypochondrium, and left flank), and one 5-mm port for a flexible laparoscope was inserted into the left side of the umbilicus