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恶性肿瘤是严重威胁人类健康的常见病之一。全球每年约有300万人死于癌症,我国约有130万人死于癌症。国内一些城市人口调查资料表明,恶性肿瘤约占总死因的四分之一,即每4个死亡人口中就有1个死于癌症。 人体生命的维持,必须依赖食物的各种营养。对于肿瘤等消耗性疾病来讲,补充合理营养就更为重要。研究表明,5％的恶性肿瘤患者在确诊时已伴有营养不良,而死于恶性肿瘤的患者,营养不良的发生率几乎达100％,故营养不良患者的预后明显差于营养良好者。
Malignant tumors are one of the common diseases that seriously threaten human health. About 3 million people die from cancer each year in the world, and about 1.3 million people die from cancer in our country. Some domestic urban population survey data show that malignant tumors account for about a quarter of all deaths, that is, 1 out of every 4 deaths die from cancer. The maintenance of human life must depend on the various nutrients of food. For a consumptive disease such as a tumor, supplementing reasonable nutrition is even more important. Studies have shown that 5% of patients with malignant tumors are accompanied by malnutrition at the time of diagnosis, and those who die of malignant tumors have an almost 100% incidence of malnutrition. Therefore, the prognosis of malnourished patients is significantly worse than that of well-nourished individuals.