Cancer of Lung is a problem a big majority of Smokers face, both smokers and past smokers. Traditional X-rays do not catch early lung cancers.

By the time symptoms appear, lung cancer has usually spread beyond the lungs and the five-year survival rate is only 15 percent. Studies have shown traditional chest X-rays do not catch lung cancer early enough to reduce the death rate. That's why some researchers are so enthusiastic about the new, more sensitive CT scans.

Eighty percent of the cancers that are found are of early stage, where it hasn't spread, where if you take it out, it can be cured

So, should every current and former smoker get a CT scan? Its still to be decided. But there is no harm if all ex smokers go in for routine CT Scans of Lungs.

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