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Lung cancer support groups
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Lung cancer
Lung cancer is cancer that begins in the lungs, the two organs found in the chest that help you breathe.
The lungs are made up of areas called lobes. The right lung has three lobes; the left lung has two, so there's room for the heart. When you breathe, air goes through your nose, down your windpipe (trachea), and into the lungs where it spreads through tubes called bronchi. Most lung cancer begins in the cells that line these tubes.
There are two main types of lung cancer:
- Non-small cell lung cancer (NSCLC) is the most common type of lung cancer.
- Small cell lung cancer makes up about 20% of all lung cancer cases.
- If the lung cancer is made up of both types, it is called mixed small cell/large cell cancer.
If the cancer started somewhere else in the body and spread to the lungs, it is called metastatic cancer to the lung.
Sources
MedlinePlus - Lung Cancer