Screening has been proven to be effective for the control of colorectal cancer (CRC).The target of CRC screening is shifting from CRC to colorectal neoplasia (CN),the precursors of CRC.Based on the the latest national guideline,the Consensus of Screening for CRC and CN,and the recent research of precursors both at home and abroad.This paper summarizes the progress in the research of risk factors,risk prediction model,screening strategy optimization,colonoscopy quality control,sessile serrated adenoma identification and follow up as well as the recognition of precursors.
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