大肠癌在发达国家中是最常见的恶性肿瘤之一，居第２位，在我国占恶性肿瘤死因的第５位，且近年来其发病率、死亡率都有上升趋势，发病年龄也有明显提前。现就其诊治现状简单介绍如下。１大肠癌的诊断方法基本的检查方法仍是早期诊断的关键，影像学与内镜检查提高了诊断的... Colorectal cancer is one of the most common malignancies in developed countries, ranking second, accounting for the fifth leading cause of cancer death in China. In recent years, its incidence and mortality have increased, and the age of onset is also significantly advanced. . The current status of its diagnosis and treatment is briefly described below. 1 Diagnosis methods for colorectal cancer Basic examination methods are still the key to early diagnosis, imaging and endoscopy improve diagnosis...