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How are lung cells affected by lung cancer?

Lung cancer cells multiply faster than normal lung cells and thereby form a solid mass of cells called a tumor. In most patients who develop lung cancer, the rest of the lung cells that do not have cancer within them function just as they did before. However, if the tumor grows large enough to compress the surrounding lung tissue it can close off the air sacs in the lungs and cause shortness of breath. Some of the treatments for lung cancer – radiation in particular – can damage the "normal" cells near a tumor and cause them to not work as well as they normally do which can also result in shortness of breath

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.