High-risk stage II colon cancer after curative resection

Harunobu Sato, Koutarou Maeda, Kenichi Sugihara, Hidetaka Mochizuki, Kenjiro Kotake, Tetsuo Teramoto, Shingo Kameoka, Yukio Saito, Keiichi Takahashi, Takashi Hirai, Masayuki Ohue, Kazuo Shirouzu, Yoshiharu Sakai, Toshiaki Watanabe, Koichi Hirata, Katsuyoshi Hatakeyama