结肠与直肠腺癌是发病率极高的癌症之一，手术是主要的疗法，但只有不到一半的病例能被治愈因为５５％的病人将发生局部复发、远处转移，所以改进对原发疾病和早期复发的诊断是非常重要的［１］。血清癌胚抗原（ＣＥＡ），糖链抗原（ＣＡ１９－９）对结直肠癌的检出具有一... Colon and rectal adenocarcinoma is one of the most prevalent cancers. Surgery is the main treatment, but less than half of cases can be cured because 55% of patients will undergo local recurrence and distant metastasis, so improve the primary The diagnosis of disease and early recurrence is very important [1]. Serum carcinoembryonic antigen (CEA), carbohydrate antigen (CA19-9) detection of colorectal cancer has a ...