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Lung cancer occurs when cells in the lung grow and multiply uncontrollably, damaging surrounding tissue and interfering with the normal function of the lung. The cells can spread to other parts of the body. When the disease spreads, it is still called lung cancer.
Types of Lung Cancer
Non-small cell lung cancer (NSCLC) accounts for 80% of all lung cancers. Non-small cell lung cancers include adenocarcinoma, squamous cell carcinoma, and large cell carcinoma. They generally spread very slowly to other organs in the body, and can be hard to detect in the early stages.
Small cell lung cancer is responsible for about 20% of all lung cancers. Also known as “oat cell” cancer, it spreads very quickly through the lungs to other parts of the body.
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