Evaluation of the feasibility of an “enhanced recovery after surgery” protocol for older patients undergoing colon cancer surgery oleh Yujiro Fujie, Hirofumi Ota, Masakazu Ikenaga, Junichi Hasegawa, Kohei Murata, Yasuhiro Miyake, Junichi Nishimura, Taishi Hata, Chu Matsuda, Tsunekazu Mizushima, Yuichiro Doki, Masaki Mori, Clinical Study Group of Osaka University (CSGO), Colorectal Group.