ObjectiveTo investigate the value of the variations in the level of D-dimer and carbohydrate antigen 242 (CA 242) for the diagnosis of colorectal cancer and clinical application.

目的探讨结直肠癌患者血浆D-二聚体和血清糖类抗原242（CA 242）的浓度变化对结直肠癌诊断及其临床应用价值。