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众所周知,嗜烟者容易患肺癌,这是因烟草烟雾中含有焦油、亚硝胺等60多种致癌的化学物质,长期慢性刺激,终于导致支气管内膜和肺组织发生癌变。我国绝大多数家庭妇女并不吸烟,但她们却也是肺癌的高发人群。据某直辖市肿瘤防治办公室的统计资料表明,该市一年中女性肺癌新发病例有999人,发病率跃居女性恶性肿瘤的第三位,
As we all know, smokers are prone to lung cancer. This is because tobacco smoke contains cadmium, nitrosamines and more than 60 carcinogenic chemicals, long-term chronic stimulation, and finally lead to canceration of the endobronchial and lung tissue. Most of the family women in China do not smoke, but they are also high-incidence people with lung cancer. According to statistics from a cancer control office in a municipality directly under the Central Government, 999 new cases of female lung cancer occur in the city in a year, and the incidence rate has ranked third among female malignant tumors.