These are likely to be typical of the early symptoms of lung cancer.
这些都可能是 肺癌早期的典型症状。
It can be hard for even a trained doctor to spot the symptoms of lung cancer.
对于一个训练有素的医生来说发现肺癌的征兆也可能是非常困难的。
Despite technologic advances, the presenting symptoms of lung cancer (LC) have not changed over time, according to a new study.
根据最新的研究表明，尽管科学技术不断的进步，但肺癌的主要症状并没有得到改善。
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