Association between nonalcoholic fatty liver disease and colorectal adenoma: a systemic review and meta-analysis

Colorectal cancer (CRC) is the third most common cancer and the third leading cause of cancer death in the United States (1). For the past two decades, the incidence and mortality rate of CRC has been reduced due to the early detection and removal of precancerous polyps/adenomas by screening colonoscopy (2-4). However, the risk stratification of the target screening population needs to be further addressed in order to improve the CRC screening strategies (5,6)