论文部分内容阅读
Objective: To analyze characteristics of adenoma of HNPCC family members.Methods: The characteristics of adenoma found by follow-up colonoscopy in the respect of morphology,location,size,pathological histology were retrospectively analyzed.Choose 226 individual from the asymptomatic check-up crowd as control group who match with the control group in age and sex.Then use chi-square test to explore the characteristic of experiment group.