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

Affiliations

Akira Ouchi, MD, PhD

From the * Department of Gastroenterological Surgery, Aichi Cancer Center Hospital, Aichi, Japan

Shunsuke Tsukamoto, MD, PhD

† Department of Colorectal Surgery, National Cancer Center Hospital, Tokyo, Japan

Atsuo Takashima, MD, PhD

‡ Department of Gastrointestinal Medical Oncology, National Cancer Center Hospital, Tokyo, Japan

Yasuhiro Shimada, MD

§ Clinical Oncology Division, Kochi Health Sciences Center, Kochi, Japan

Tetsuya Hamaguchi, MD, PhD

‖ Department of Medical Oncology, Saitama Medical University International Medical Center, Saitama, Japan

Masafumi Inomata, MD, PhD

¶ Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine, Oita, Japan

Yasumasa Takii, MD

# Department of Gastroenterological Surgery, Niigata Cancer Center Hospital, Niigata, Japan

Ryo Sadachi, PhD

** Japan Clinical Oncology Group Data Center, National Cancer Center Hospital, Tokyo, Japan.

Yukihide Kanemitsu, MD

† Department of Colorectal Surgery, National Cancer Center Hospital, Tokyo, Japan