Mayo Clinic在对146例原发局部不可切除结直肠癌的治疗研究中发现,单纯使用一种方法治疗的效果通常很差(治疗无效的比例占68%)。Kaplan-Meier分析表明,对年龄58岁、接受过辅助化疗或者存活可能性很低的患者只使用一种治疗方法后,其中位存活时间仅为3.7年。本研究指出,采用综合 A Mayo Clinic study of 146 patients with locally unresectable colorectal cancer found that treatment with one method alone was often poor (68% of the treatment was ineffective). Kaplan-Meier analysis showed that the median survival time was only 3.7 years for one patient who was 58 years of age who received adjuvant chemotherapy or had a low chance of survival after using only one treatment. This study points out that the use of integrated