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为了评价在有高度发病危险的人群中普查早期肺癌的价值,作者于1972～1975年间在某医院对做常规健康检查人群中,年过45岁、每日吸烟一包或一包以上的男子进行普查。方法是每隔四个月进行胸部 X 光照相,收集三天的痰做细胞学检查,以及填写肺部健康情况调查表各一次。结果在过去三年间共发现 X 光照相未见肺部疾损而痰细胞检查有癌细胞的隐性癌症病人34例,年龄在46～79岁,平均61岁。
In order to evaluate the value of early screening for lung cancer among people with high risk of disease, the author performed a routine health examination in a hospital from 1972 to 1975, and a man who had passed 45 years of smoking or a pack or more per day Census. The method was to perform chest X-ray photography every four months, collect three days of sputum cytology, and fill in each of the lung health questionnaires. Results In the past three years, a total of 34 cases of hidden cancer patients with X-ray photographs without lung lesions and sputum cells with cancer cells were found, aged 46-79 years with an average age of 61 years.