A clinical study of the relationship between SLC12A5, HOXB8, KIFC1 gene polymorphism and colorectal cancer chemotherapy sensitivity

Interventions: Chemotherapy observation group:Nil;Non Chemotherapy observation group:Nil Primary outcome(s): Genetic testing;tumor burden;Immune evaluation;Survival time Study Design: Non randomized control干预措施：化疗观察组（Chemotherapy observation group）：无；非化疗观察组（Non Chemotherapy observation group）：无。主要结局指标：基因检测（Genetic testing）、肿瘤负荷（tumor burden）、免疫评估（Immune evaluation）、生存时间（Survival time）。研究设计：非随机对照（Non randomized control）。