Fig. 2From: Multiple huge epiphrenic esophageal diverticula with motility disease treated with video-assisted thoracoscopic and hand-assisted laparoscopic esophagectomy: a case reportPreoperative esophageal manometry findings. a Intra-esophageal pressure measurement showing a high lower esophageal sphincter pressure and normal peristaltic waves. b The vector volume is very high (23,972 mmHg2 cm)Back to article page