Targeted cancer treatments far outperform traditional methods

Cancer treatments that attack tumors based on their individual genetic traits -- not their location in the body -- far outperform traditional methods, extending survival for twice as many patients, a study said Saturday.The precision medicine field of targeted therapy involves testing tumors for clues about their genetic mutations, and matching patients with new drugs designed to block cancer's growth on a molecular level.Targeted options for patients have risen dramatically in the last two deca