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Abstract Cancer patients often have decreased appetite due to the influence of disease factors and treatments methods such as
surgery radiotherapy and chemotherapy. The lack of nutritional intake caused by decreased appetite may result in malnutrition and
cachexia which in turn reduces the tolerability and efficacy of anticancer treatments leads to decreased quality of life and severely
affects prognosis and survival of cancer patients. Accurate evaluation of patients appetite and combined with nutritional risk screening
and nutritional assessment during the course of the disease can identify the patients at nutritional risk as early as possible and give
individualized nutritional support which is beneficial for improving appetite and nutritional status preventing or delaying the progression of the disease course and increasing treatment tolerability. It is of positive significance to improve the prognosis and quality of life
of patients. In order to standardize the nutritional diagnosis and treatment of cancer patients with decreased appetite and improve the
treatment effect this expert consensus is presented based on the existing research findings at home and abroad combining the expert
opinions and clinical experience to elucidate the definition and mechanism of loss of appetite in cancer patients and provide appetite
assessment tools such as anorexia / cachexia subscale appetite and symptom questionnaire and appetite scale and then give nutritional
recommendations for cancer patients with poor appetite. We hope that the consensus release can improve the identification evaluation
and nutritional treatment of cancer patients with decreased appetite by clinical medical staffs and clinical nutritionists and increase the
clinical benefits of the patients.
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Received: 09 March 2021
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