[Research progress on the relationship between intestinal flora and colorectal cancer].

In recent years, the incidence of colorectal cancer has been increasing. Various evidences show that the change of intestinal flora is related with the progress of colorectal cancer. Intestinal opportunistic pathogens can promote the development of colorectal cancer, while probiotics can inhibit colorectal cancer. Changes in intestinal flora affect chemotherapy, surgery and other treatments. At the same time, intestinal flora has potential application in the treatment and diagnosis of colorectal cancer. This article reviews the recent advances in the relationship between intestinal flora and colorectal cancer.近年来结直肠癌的发病率逐渐上升，各种证据表明肠道菌群的改变与结直肠癌的进展相关。肠道内的条件致病菌可促进结直肠癌发展，益生菌则在一定程度上抑制结直肠癌。肠道菌群的改变影响着化疗、手术等治疗的效果，同时，肠道菌群在结直肠癌治疗和诊断方面具有应用潜能。本文将对近年来肠道菌群与结直肠癌关系的进展研究进行阐述。.