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我们用YAG激光照射了人的口腔癌及食道癌。实验指出，如照射条件合适，癌组织将被选择性地破坏，而正常组织影响较小。观察实验中选择性作用是很明显的。约有半数患者瘤体能全部脱落。
We used YAG lasers to irradiate human oral cancer and esophageal cancer. The experiment pointed out that if the irradiation conditions are appropriate, the cancer tissue will be selectively destroyed and the normal tissue will be less affected. Observing the selective effect in the experiment is obvious. About half of the patients had all the tumors removed.