Response to Comment on: “Prognostic Relevance of Primary Tumor Sidedness in Early-Stage Colorectal Cancer: An Integrated Analysis of 4 Randomized Controlled Trials (JCOG2003A)” - Akira Ouchi, MD, PhD; Shunsuke Tsukamoto, MD, PhD; Atsuo Takashima, MD, PhD; Yasuhiro Shimada, MD; Tetsuya Hamaguchi, MD, PhD; Masafumi Inomata, MD, PhD; Yasumasa Takii, MD; Ryo Sadachi, PhD; Yukihide Kanemitsu, MD (Annals of Surgery Open)