GPT and colorectal carcinoma: The ALT (P = 0.014), total protein (P < 0.001), total cholesterol (P < 0.001), Triglyceride (P < 0.001), M (P < 0.001), HDL-C (P < 0.001), MHR (P < 0.001), CEA (P < 0.001), CA199 (P < 0.001) levels were significantly different between CRC patients and healthy controls (Table 2).