1引言北京大学肿瘤医院(北京市肿瘤防治研究所、北京肿瘤医院、北京大学临床肿瘤学院,以下简称北大肿瘤医院)始建于1976年,是集医、教、研于一体的三级甲等肿瘤专科医院。北大肿瘤医院肿瘤学是国家级重点学科。2010年被批准为教育部“恶性肿瘤发病机制及转化研究”重点实验室。主要科研方向为我国常见恶性肿瘤的病因及发病机制、分子流行 1 Introduction Peking University Cancer Hospital (Beijing Cancer Institute, Beijing Cancer Hospital, Peking University School of Oncology, hereinafter referred to as Peking University Cancer Hospital) was founded in 1976, is a collection of medical, teaching, research in one of the three Cancer hospital. Peking University Cancer Hospital oncology is a national key disciplines. In 2010, it was approved as the key laboratory of Ministry of Education “Research on the Mechanism and Transformation of Malignancies ”. The main research direction for the etiology and pathogenesis of common malignant tumors in our country, molecular epidemic