Lung cancer is designated by two types:
Both small cell lung cancer and non-small cell lung cancer are named for the kinds of cells found in the cancer and how the cells appear when viewed under a microscope. The cancer cells of each type grow and spread in different ways.
The two general types of small cell lung cancer include:
Smoking tobacco is the major risk factor for developing small cell lung cancer.
Each year in the United States, more than 226,000 people are diagnosed with non-small cell lung cancer. There are several different types of this lung cancer.
The three main types of non-small cell lung cancer include:
Other less common types of non-small cell lung cancer are: pleomorphic, carcinoid tumor, salivary gland carcinoma, and unclassified carcinoma.
Smoking can increase the risk of developing non-small cell lung cancer.
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