Taryne Imai1, Benny Weksler2. 1. Division of Thoracic Surgery, Department of Surgery, Cedar Sinai Medical Center, Los Angeles, Calif. 2. Division of Thoracic and Esophageal Surgery, Department of Thoracic and Cardiovascular Surgery, Allegheny General Hospital, Pittsburgh, Pa. Electronic address: benny.weksler@ahn.org.