Clinical Usefulness of Postoperative Serum Carcinoembryonic Antigen in Patients with Colorectal Cancer with Liver Metastases

Koichiro Yoshino, Hiroki Osumi, Hiromichi Ito, Daisaku Kamiimabeppu, Akira Ooki, Takeru Wakatsuki, Keitaro Shimozaki, Izuma Nakayama, Mariko Ogura, Daisuke Takahari, Keisho Chìn, Atsushi Oba, Yoshihiro Ono, Takafumi Sato, Yosuke Inoue, Yu Takahashi, Kensei Yamaguchi, Eiji Shinozaki