Mutant allele fractions are frequently low in liquid biopsy
29%
21%
11%
39%
MAFs
0.01-0.1%
0.1-1%
>1%
>5%
Mutant RAS (n=61)
Concordance Study
(VHIO, ICO, H.Mar)
Median MAF
Tumor
4%
mBC
Dawson et al., 2013
1.5%
mCRPC Azad et al., 2015
4%
mCRC Grasselli et al., 2017
6.6%
NSCLC
Fairclough et al., J Clin
Oncol 34, 2016 (suppl;
abstr e23021)