Lung cancer is one of the most common malignant tumor. For half a century the incidence of the primary lung cancer and the death rate have obviously risen in many countries and areas in the world.

肺癌是我国最常见的恶性肿瘤之一，半个世纪以来原发性肺癌发病率和死亡率在世界许多国家及地区都显著上升。

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Radon is much more likely to cause lung cancer in people who smoke, and is the primary cause of lung cancer among non-smokers.

氡更有可能使吸烟者罹患肺癌，而且是非吸烟者中肺癌的主要病因。

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OBJECTIVE: no guidelines detailing recommendations for the selection and treatment of patients with synchronous multiple primary lung cancer have been published.

目的：没有关于肺多发性原发癌的选择和治疗的详细推荐的指南发表。

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Liverpool Primary Care Trust has the highest mortality rate for lung cancer in the country, a new report claims.

BBC: Liverpool 'has highest lung cancer death rate'

In people, gadolinium-texaphyrin has been tested against secondary brain cancers those caused by renegade cancer cells breaking off from a primary tumour in the breast or lung and setting up shop in the head.

ECONOMIST: Medicinal light-swords