A member asked:

Does smoking make a benign cancer turn malignant?

6 doctors weighed in across 2 answers

Yes: Smoking increases risk for oral, neck, lung, esophageal, bladder cancers.

Answered 5/16/2012

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Smoking causes cance: Smoking is the single largest avoidabble cause of cancer. There is no such thing as benign cancer. Most cancer arise denovo. A few like colon cancer and melanoma may arise from existing benign lesions and are not usually due to tobacco.

Answered 6/9/2012

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