Melis M, Weber JM, McLoughlin JM, Siegel EM, Hoffe S, Shridhar R, Turaga KK, Dittrick G, Dean EM, Karl RC, Meredith KL. An elevated body mass index does not reduce survival after esophagectomy for cancer. Ann Surg Oncol. 2011 Mar; 18(3):824-31.