恶性肿瘤是一类消耗性疾病,随着肿瘤的发展,机体的营养成分不断被消耗,患者的营养状况逐渐恶化,至中晚期相当一部分患者出现恶病质。恶性肿瘤患者的营养状况与疾病的进展、预后以及对治疗的耐受密切相关,因而评估机体的营养状况对恶性肿瘤患者有重要的临床意义,有助于了解营养 Malignancy is a type of wasting disease. With the development of the tumor, the nutrients of the body are constantly being consumed, the nutritional status of the patient is gradually deteriorating, and a considerable number of patients in the middle and late stages develop cachexia. The nutritional status of patients with malignant tumors and disease progression, prognosis and treatment tolerance are closely related, thus assessing the body’s nutritional status of patients with malignant tumors has important clinical significance, helps to understand nutrition