癌症患者的营养现状肿瘤的发生与环境因素有密切关系。环境因素中,食物是人体最直接、最经常、最大量接触的物质因素,是人体内环境与代谢的物质基础。食物中既存在许多人体所需营养素和抗癌成分,也存在致癌物或其前体。所以,在肿瘤的发生、发展过程中,膳 The nutritional status of cancer patients Tumor occurrence and environmental factors are closely related. Among the environmental factors, food is the most direct, the most frequent and most abundant exposure to the human body, and is the material basis for the environment and metabolism in the human body. There are many foods in the body of nutrients and anti-cancer components required, but also the presence of carcinogens or precursors. So, in the occurrence of cancer, the development process, diet