恶心、呕吐和干呕常常是恶性肿瘤化疗和放疗的主要副作用之一,由此而产生的严重痛苦降低了病人生存质量,并可能影响其继续坚持治疗的程度。病人对症状发生和严重程度的主诉往往影响治疗方案的制定,为了对每个病人的症状作出准确的评价,需要一个简单可靠并易于被病人接受的... Nausea, vomiting and retching are often one of the main side effects of chemotherapy and radiotherapy for malignant tumors. The resulting severe pain reduces the quality of life of patients and may affect the extent to which they continue to adhere to treatment. Patients’ complaints about the occurrence and severity of symptoms often affect the formulation of treatment plans. In order to accurately evaluate the symptoms of each patient, it requires a simple and reliable and easily accepted by the patient...