Supplemental Material - Factors Associated With Postoperative Decisional Regret in Patients Undergoing Gastrointestinal Cancer Surgery: A Prospective Cohort Study

Supplemental Material for Factors Associated With Postoperative Decisional Regret in Patients Undergoing Gastrointestinal Cancer Surgery: A Prospective Cohort Study by Hiromitsu Kinoshita, Tatsuto Nishigori, Takayo Nakabe, Norihiro Shimoike, Keiko Sato, Yuichi Imanaka, Kazutaka Obama, and Yumi Matsumura in The American Surgeonâ„¢</p