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Newer genetic tests introduce more ambiguity, but a new study finds patients are not overreacting to uncertain results.

Awareness of genetic testing is low, a new study finds. But an interactive website can help newly diagnosed patients make informed decisions about the practice.

A decadelong effort to genomically characterize multiple cancers begets a huge archive: 33 cancer types, 11,000 tumors and 27 new papers that explain the findings.

A new study finds only half of women who could benefit from genetic testing get it, and often not before they have surgery.