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NCCN Guidelines for Patients



Lung Cancer Screening, Version 1.2017


Why get screened?

Detect lung cancer early

Detect lung cancer early

Lung cancer is a disease that starts in the cells that

make up the lungs. Normal cells make new cells

when needed, die when old or damaged, and stay

in place. Cancer cells don’t do this. They grow out of

control and invade other tissue. Without treatment,

cancer cells can form a tumor (abnormal mass of

cells) and spread to other organs in the body.

Lung cancer causes more deaths than any other

cancer in both men and women.

See Figure 2

. Of

all causes of death, lung cancer ranks second behind

heart disease. The high number of deaths is due in

part to lung cancer being found after it has spread.

Screening for lung cancer is done before you have

symptoms and the doctor wants to check for disease.

Cancer screening can help find lung cancer at an

early stage when it can be cured.

Figure 2. Cancer deaths in the U.S.

About 27 out of 100 deaths caused by cancer are due to lung cancer.

Source: Cancer Facts & Figures 2016.