Fig. 1From: Effect of single-port inflatable mediastinoscopy simultaneous laparoscopic-assisted radical esophagectomy on respiration and circulationA brief view of the surgical procedure. Enter the upper mediastinum through the left supraclavicular incision in the neck. Five trocars are placed into the abdominal cavity through the five intersecting positions in the picture. The arrow is the approximate direction of the operationBack to article page