内镜与微创世界一流医师 中国医师协会内镜医师分会 内镜与微创专业技术全国考评委员会 卫生部内镜专业技术培训基地 经自然腔道内镜外科专家委员会 World-class doctors in endoscopic and minimally invasive medicine Endoscopic Doctors Association of Chinese Medical Association endoscopic professional and technical training base, Ministry of Health national evaluation committee and minimally invasive