Study on the characteristics of cold and heat syndrome of colorectal cancer based on intestinal microecology and the precision of intervention scheme for dominant population

Interventions: Patients with new-onset colonic adenoma:no intervention;Patients with early and mid-stage colorectal cancer before surgery:no intervention;Chemotherapy ± targeted/immunized colorectal cancer patients::no intervention;Patients with advanced colorectal cancer:no intervention
Primary outcome(s): Diagnosis and curative effect evaluation scale of cold and heat syndrome in colorectal cancer
Study Design: Cohort study