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Fewer Americans have been dying of lung cancer in recent years — partly because of advances in treatment, a new government study finds.
The researchers found that after a gradual decline, lung cancer deaths in the United States started to drop more quickly in 2013. That coincided with the introduction of new "targeted" drugs that can more precisely go after certain lung tumors.
Experts called the findings a promising development against a disease that has traditionally had a dismal prognosis.
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