Fig. 4From: Anastomotic leakage after esophagectomy possibly caused by compression of the gastric conduit behind the sternoclavicular joint: a report of three casesMeasurement of the sterno-tracheal distance (STD) in each case. The STD was defined as the minimum distance from the sternum to the anterior wall of the trachea in the sagittal section of cervical chest on preoperative computed tomography scans. None of the cases had an STD < 13 mmBack to article page