Cancer Matters with Dr. Bill Nelson – Cancer DNA in the Bloodstream December 5, 2019 In this edition of the Cancer Matters podcast, Dr Bill Nelson speaks with Dr Victor Velculescu about a test that can detect cancer DNA in the bloodstream. Clinton ⋅ podcast Bill Nelson, blood test, Bloodstream, Cancer Matters, DNA, Johns Hopkins Kimmel Cancer Center, Liquid Biopsy, Victor Velculescu ⋅