lung cancer

Discussion in 'Biology & Genetics' started by sculptor, Feb 13, 2017.

  1. sculptor Valued Senior Member

    Two Main Types of lung cancer:
    Small-cell lung cancer is more aggressive, meaning it can spread quickly to other parts of the body early in the disease. It is strongly tied to cigarette use and is rare in nonsmokers. Non-small-cell lung cancer grows more slowly and is more common. It's responsible for almost 85% of all lung cancers.


    So is this saying that 85% of lung cancers are not smoking related?

    (I just had a friend die of cancer----------from prostate to lymph nodes to lungs to death.)
    One helluva bad year for him.
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  3. DaveC426913 Valued Senior Member

    No. That is too strong a conclusion.
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  5. Russ_Watters Not a Trump supporter... Valued Senior Member

    A bit of a logic fail there: you improperly created a conclusion based on an incorrect belief that the lack of a statement about smoking in the second meant none are tied to smoking. It doesn't say that. It is almost all of the first type and an unspecified fraction of the second.

    Checking the ALA's website, I see they cite about 85% of total lung cancers as being smoking related. Doing the math and assuming the first 15% of lung cancers is near 100% smoking related, that makes the other 85% of lung cancers roughly 82% smoking related.
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