Recreational physical activity, body mass index, and survival in women with colorectal cancer - Kuiper, J G; Phipps, A I; Neuhouser, M L; Chlebowski, R T; Thomson, C A; Irwin, M L; Lane, D S; Wactawski-Wende, J; Hou, L; Jackson, R D; Kampman, E; Newcomb, P A (Cancer Causes Control, 2012)