Figure 2
From: Prognostic value of normal levels of preoperative tumor markers in colorectal cancer
Cut-off value of serum CEA and CA19-9, CA125, and AFP levels for the OS of CRC as calculated using X-tile. CRC, Colorectal cancer; CEA, carcinoembryonic antigen; CA19-9, carbohydrate antigen 19-9; CA125, carbohydrate antigen 125; AFP, alpha-fetoprotein; OS, overall survival.
