Circulating tumor DNA:Imp:Pt:^Patient:Nar
circulating tumor dna:imp:pt:^patient:nar
Circulating tumor deoxyribonucleic acid:Impression/interpretation of study:To identify measures at a point in time:^Patient:Narrative
circulating tumor deoxyribonucleic acid:impression/interpretation of study:to identify measures at a point in time:^patient:narrative