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肺癌是一种发源于支支管的恶性肿瘤,据近年来国内一些城市的肿瘤普查或统计材料报告,肺癌的发病率约占恶性肿瘤的第三或第四位,重庆市自一九七二年六月至一九七四年六月两个年度中,有四十二万人口进行了肿瘤普查,肺病占恶性肿瘤的第二位,且发现某些地区肺癌有逐年增多趋势,成为严重威胁人民健康的恶性肿瘤之一。以往肺癌治疗的效果不好,其主要原因是未能早期发现或延误诊断而错失治疗时机。近年来各地对肺癌的认识已有明显提高,发观的早期病例也逐渐增多,因而取得了较好的治疗效
Lung cancer is a type of malignant tumor that originates in the branch. According to reports of cancer screening or statistics in some cities in recent years, the incidence of lung cancer accounts for about 3rd or 4th of malignant tumors. Chongqing has been in 1972. In the two years from June to 1974, 420,000 people carried out cancer surveys. Lung disease accounted for the second place in malignant tumors. It was found that the lung cancer in certain areas has increased year by year and became a serious threat to people. One of the healthy malignancies. In the past, the effect of lung cancer treatment was not good. The main reason for this was the lack of early detection or delay in diagnosis and missed the timing of treatment. In recent years, the awareness of lung cancer in various regions has been significantly improved, and the early cases of the concept of hair growth have also gradually increased, resulting in better therapeutic effects.