近年来大肠癌的发病率有上升的趋势,以往我们一直把大便隐血试验作为大肠癌的筛选方法[1],但在临床工作中我们发现相当一部分大肠癌患者的大便隐血试验结果为阴性。笔者总结了2003年度我院206例大肠癌患者的临床资料,根据其大便隐血试验的结果,现分析如下。1临床资料1.1一般资 In recent years, the incidence of colorectal cancer is on the rise. In the past, we have been using the fecal occult blood test as a screening method for colorectal cancer [1]. However, in clinical work, we found that a considerable number of patients with colorectal cancer stool occult blood test results were negative. The author summarizes the 2003 annual 206 cases of colorectal cancer in our hospital clinical data, according to the fecal occult blood test results, are analyzed as follows. 1 clinical data 1.1 general funding