在癌症治疗过程中,放射学家遇到的一个老问题,就是要设计一种既能消灭肿瘤而又不损伤患者消除残余肿瘤细胞的自然能力的方案。大家都认为,患者的免疫系统对寻找和消灭肿瘤起着重要的作用。因此,在肿瘤治疗中怎样影响患者的这些自然防御能力是重要的。有些报导指出,种种实体肿瘤患 One of the old problems encountered by radiologists during the treatment of cancer is to design a program that can eliminate tumors without damaging the patient’s natural ability to eliminate residual tumor cells. Everyone thinks that the patient’s immune system plays an important role in finding and eliminating tumors. Therefore, it is important how these patients’ natural defense capabilities are affected in the treatment of cancer. Some reports indicate that various solid tumors suffer from