肿瘤是严重威胁人类健康的常见病和多发病。目前肿瘤的治疗仍然是以化疗、放疗、手术治疗为主,其中化疗仍然是治疗肿瘤的主要手段之一。但是在肿瘤的药物化疗过程中,常能见到相同病症的不同病人对同一种抗肿瘤药物出现 Tumor is a common and frequently-occurring disease that seriously threatens human health. At present, the treatment of cancer is still based on chemotherapy, radiotherapy and surgical treatment, of which chemotherapy is still one of the main means of treatment of cancer. However, in the process of drug chemotherapy of the tumor, different patients who can often see the same disorder appear on the same antitumor drug