摘要 : The following experiments indicated that under a specified condition oral and esophageal cancer could be affected selectively by YAG Laser. (1) Oral cavity cancer and the surrounding normal tissues were irradiated simultaneously b... 展开 The following experiments indicated that under a specified condition oral and esophageal cancer could be affected selectively by YAG Laser. (1) Oral cavity cancer and the surrounding normal tissues were irradiated simultaneously by YAG Laser under a specified condition. A selective effect could be seen obviously under the naked eye observation and histological sections. 收起