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Don't judge every tumor by its tissue, scientists say
Don't judge every tumor by its tissue, scientists say

For most cancer patients and their doctors, the most important things to know about a tumor are where it arose in the body and how much it's grown. But in some cases, understanding a tumor's genomic profile is more likely to lead to an effective treatment, according to a study published online Thursday by the journal Cell. After performing a thorough analysis of 3,527 tumor specimens representing a dozen types of cancers, scientists concluded that 10% of patients could find better therapies if they had information about their tumor's unique DNA and how it is expressed. The genetic analysis can give doctors "clinically relevant prognostic information above and beyond...