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How do lung tumors start?

ANSWER

Lung tumors almost always start in the spongy, pinkish gray walls of the bronchi -- the tubular, branching airways of the lungs.

SOURCES: 

National Cancer Institute. 

National Institutes of Health. 

WebMD Medical Reference from the American College of Physicians: “Section 12 VIII Lung Cancer.”

News release, FDA.

American Cancer Society.

American Lung Association. 

Reviewed by Carol DerSarkissian on February 05, 2019

SOURCES: 

National Cancer Institute. 

National Institutes of Health. 

WebMD Medical Reference from the American College of Physicians: “Section 12 VIII Lung Cancer.”

News release, FDA.

American Cancer Society.

American Lung Association. 

Reviewed by Carol DerSarkissian on February 05, 2019

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