Home English Test 4 TRK Fact Sheet Test 4 TRK Fact Sheet Share on Facebook Share on LinkedIn Share on Twitter Copy this URL Share via Email Genomic cancer testing helps detect changes in a tumor’s DNA, called genomic alterations, that can determine how your cancer behaves and why it grows or spreads. The results of the test can help you and your healthcare provider (HCP) create a personalized plan that is tailored to your diagnosis. Genomic cancer tests can find and identify a range of alternations. One example is called an NTRK gene fusion. Learn more Sign-up for free testing Resource provided by: