Curing Cancer Relies on Genome Map Guiding Medical Care

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Kristal James, a medical technician in suburban Dallas, spent more than a year fighting rapidly spreading breast cancer that looked like it might take her life. As doctors raced to save her, they decided to sequence her tumor’s genome.

The sequencing showed surprising abnormalities in her diseased tissue’s DNA, confirming that a new drug they were trying was targeting genetic aberrations in her tumor. James, 33, has since been able to return to attending her son’s sporting events and school meetings.