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原发性支气管肺癌简称肺癌,是最常见的呼吸系统恶性肿瘤。其发病率和死亡率呈上升趋势。1982年在日本召开的国际第三届肺癌会议把肺癌说成是世界的灾难。工业发达的欧美和日本均较高,半个世纪以来,男性肺癌发病率英国增加40倍,美国增28倍。目前世界各国至少35个国家的肺癌已居男性恶性肿瘤死因之首。在我国肺癌发病率,特别在大城市和工业地区上升较快。据北京、上海市调查肺癌死亡率已超过胃癌,成为男性恶性肿瘤的首位死因。同时青年与女性肺癌也明显增多,故肺癌已成为危害人民健康的常见病之一。因此,重视肺癌中期发现是当前的一项重要任务。一、肺癌的临床分期:据WHO的分类,将13种不同形态细胞归纳为鳞形细胞癌、小细胞癌、腺癌
Primary lung cancer, referred to as lung cancer, is the most common respiratory malignancy. Its incidence and mortality are on the rise. The Third International Conference on Lung Cancer, held in Japan in 1982, described lung cancer as a disaster in the world. Industrially developed countries such as Europe, America and Japan are relatively high. For half a century, the incidence of male lung cancer in the United Kingdom has increased 40-fold, while that in the United States has increased 28-fold. At present, lung cancer in at least 35 countries in the world ranks first in the cause of male malignant tumors. The incidence of lung cancer in China has risen rapidly, especially in large cities and industrial areas. According to Beijing and Shanghai, the death rate of lung cancer has surpassed that of gastric cancer, and has become the leading cause of death for male malignancy. At the same time, lung cancer in young people and women has also increased significantly. Therefore, lung cancer has become one of the common diseases that endanger people’s health. Therefore, paying attention to the mid-term findings of lung cancer is an important task at present. First, the clinical stage of lung cancer: According to the classification of WHO, 13 different morphological cells were classified as squamous cell carcinoma, small cell carcinoma, and adenocarcinoma.