Objective: Review literatures about the direct medical cost of treating the lung cancer.
2
一种立体计算机体层扫描能够发现早期肺癌，但费用昂贵，并能发现一些检测昂贵、有风险的非肿瘤病变。
A type of X-ray called spiral computed tomography or CT can find lung cancer early, but it is expensive and also finds non-cancerous lesions that are expensive and risky to test.
3
肺癌患者的增加，高死亡率和医疗费用的增加是突出的问题。
The increase of lung cancer patients, the high death rate and the increase of medical cost are big problems.
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