A case of intraoperative detection of a central venous catheter in azygos vein arch during esophageal cancer surgery

Central venous catheter migration can occur in a various vessels. During prone esophageal cancer surgery, elevating the right upper extremity may alter the catheter tip's position from its the preoperative position. CVC amputation should be observed because the azygos vein arch is often amputated to facilitate upper mediastinal dissection during esophageal cancer surgery.