While a pleural malignancy can invade the lung, the tumor's origin site is still the pleura, so pleural mesothelioma should never be treated as lung cancer.

当胸膜的恶性病变侵及肺，肿瘤的原发灶仍是胸膜，因此胸膜间皮瘤是不能被当成肺癌治疗。

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Malignant neoplasms are also characterized by the tendency to invade surrounding tissues. Here, a lung cancer is seen to be spreading along the bronchi into the surrounding lung.

恶性肿瘤的另一个特征是浸润周围组织。图示：肺癌沿着支气管蔓延到肺周围。

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Often on the side of the road to eat Fried food, for a long time by this kind of high temperature lampblack toxic or harmful gases to invade, easy to the risk of lung cancer is a normal three times.

常在路边吃煎炸食物，长期受到这类高温油烟有毒有害气体侵袭，易患肺癌的危险性也是常人的3倍。

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