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Breast cancer classification promises better therapies
Los Angeles Times

Researchers have found a way to classify breast cancer tumors into 10 distinct categories ranging from very treatable to extremely aggressive, a major step on the way to the long-sought goal of precisely targeting therapies for patients.

The new categories, described in a study released Wednesday, should help scientists devise fresh approaches to treat some of the cancers and could spare many women the risks and pain of unnecessarily toxic treatments, oncologists said.

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