The Seattle Times

Matt Rourke / The Associated Press, 2013
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Sunday, May 18, 2014

Dogs remarkably accurate in sniffing out some cancers

Jonathan Ball, right, introduces Marta Drexler, an ovarian cancer patient, to McBaine, who is in the first round of training for a study on detecting cancerous tissue at Penn Vet Working Dog Center in Philadelphia. Drexler donated ovarian cancer tissue for the study.