Incidence and risk factors of postoperative delirium in patients with esophageal cancer.

Takeuchi M, Takeuchi H, Fujisawa D, Miyajima K, Yoshimura K, Hashiguchi S, Ozawa S, Ando N, Shirahase J, Kitagawa Y, Mimura M.
Ann Surg Oncol. 2012 Nov;19(12):3963-70. doi: 10.1245/s10434-012-2432-1. Epub 2012 Jun 15.