Since more adult dogs die from cancer than from any other cause, detecting canine cancer earlier can enable more effective treatment. Although noninvasive blood tests can now detect tumor DNA long before other signs of cancer arise, formal guidelines for when dogs should be screened using these tests are still lacking. To help establish such guidelines, a team of scientists led by PetDx – a molecular diagnostics company in La Jolla, California focused on the detection and treatment of cancer in pets – has determined the median...