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Living With Lung Cancer
is a disease in which cancer cells grow in the lungs.
Copyright © Nucleus Medical Media, Inc.
Lung cancer occurs when cells in the lung divide without control or order. Normally, cells divide in a regulated manner. If cells keep dividing uncontrollably when new cells are not needed, a mass of tissue forms, called a growth or tumor. The term cancer refers to malignant tumors, which can invade nearby tissues and can spread to other parts of the body. A benign tumor does not invade or spread.
Lung cancers that start in the lungs are divided into two types:
Most cases of
lung cancer are associated with
, such as:
While most cases of lung cancer are due to smoking, a percentage of people with lung cancer have never smoked, nor have they been exposed to secondhand smoke.
What are the risk factors for lung cancer?
What are the symptoms of lung cancer?
How is lung cancer diagnosed?
What are the treatments for lung cancer?
Are there screening tests for lung cancer?
How can I reduce my risk of lung cancer?
What questions should I ask my doctor?
What is it like to live with lung cancer?
Where can I get more information about lung cancer?
Last reviewed October 2012 by Igor Puzanov, MD
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