| cfDNA | cell-free DNA |
| cirDNA | circulating cell-free DNA, referring specifically to cell-free DNA in blood plasma |
| ctDNA | tumour-derived cell-free DNA |
| cfDNA | cell-free DNA |
| cirDNA | circulating cell-free DNA, referring specifically to cell-free DNA in blood plasma |
| ctDNA | tumour-derived cell-free DNA |