Fig. 8From: Carcinoembryonic antigen as a marker of radioresistance in colorectal cancer: a potential role of macrophagesCEA (320Â ng/mL) enhanced the radioresistance of (a) LS180, (b) SW620, and (c) LS1034 cells cultured with M2 conditioned medium. However, CEA did not change radiosensitivity in cancer cells without M2 conditioned medium. Each experimental group included triplicated studiesBack to article page