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胃癌是世界上发病率最高的恶性肿瘤,不论性别,其发病率均占各种癌症的首位,据估计年发病率为682,400(IARC.1983)。有鉴于此,世界卫生组织对此颇为重视,自1970年以来成立了胃癌协作中心,目前共有包括美、苏、英、日等十五个国家参加了此中心,我国也于1984年加入,该中心的总部设在东京,定期召开会议,交流各国经验,制定协作方案等。下面就国外胃癌研究的现状,作一简要介绍。 一、胃癌流行病及病因学
Gastric cancer is the most common malignant tumor in the world. Irrespective of gender, the incidence of cancer is the highest among all types of cancer. The estimated annual incidence rate is 682,400 (IARC. 1983). In view of this, the World Health Organization attaches great importance to it. Since the establishment of the Collaboration Center for Gastric Cancer since 1970, a total of 15 countries including the United States, the Soviet Union, Britain, and Japan have participated in this center, and China has also joined in 1984. The center is headquartered in Tokyo and regularly meets to exchange experiences of various countries and formulate collaborative programs. The following is a brief introduction to the current status of foreign cancer research. I. Gastric cancer epidemics and etiology