Lung Cancer

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Lung Cancer Definition


Lung cancer is a disease in which cancer cells grow in the lungs.

Cancer occurs when cells in the body divide without control or order. If cells keep dividing uncontrollably, a mass of tissue forms. This is called a growth or tumor. The term cancer refers to malignant tumors. They can invade nearby tissue and spread to other parts of the body.

There are two types of lung cancers:

  • Non-small cell lung cancer—generally grows and spreads more slowly (more common form)
  • Small cell lung cancer—generally grows more quickly and is more likely to spread to other parts of the body

Lung Cancer

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Maryann Gromisch RN Guide

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