Where Are Your Lungs Located?

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Definition

Lung cancer is cancer that starts in the lungs.

The lungs are located in the chest. They help you breathe. 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.

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