我们与肿瘤的抗争至今仍未取胜。虽然通过这些年的努力在肿瘤治疗上已有所进展,但从最终的结果来看——生存率仍然不尽人意。在全世界所有被诊断恶性肿瘤的患者中,约有45％的患者最后死于复发或转移。放射治疗已成为肿瘤治疗的主要手段之一,可以延长肿瘤患者生命并提高患者生存 Our fight against cancer has not won yet. Although progress has been made in oncology treatment through all these years’ efforts, the final result - the survival rate is still unsatisfactory. About 45% of all patients diagnosed with malignancy in the world eventually die of recurrence or metastasis. Radiation therapy has become one of the main tools for cancer treatment, which can prolong the life of tumor patients and improve patient survival