对于老年恶性肿瘤晚期患者,往往缺乏十分有效的治疗方法,虽给予传统的放疗和(或)化疗后,预后仍十分恶劣,加之许多年老体弱的患者难以承受放、化疗的毒副作用,因此,寻找改进治疗效果的新方法十分重要。近年来,香菇多糖作为免疫系统调节剂被用于治疗某些恶性肿瘤,在控制病情发展? For elderly patients with advanced malignant tumors are often the lack of very effective treatment, although given the traditional radiotherapy and / or chemotherapy, the prognosis is still very poor, combined with many elderly and frail patients can not afford the radiotherapy and chemotherapy side effects, therefore , Finding new ways to improve treatment is very important. In recent years, lentinans as immune system regulators are used to treat certain malignancies, in controlling the progression of the disease?