HCC1395_BL matched HCC1395_tumor 0.6878 0.02 HCC1395_BL unmatched Sig_18_Blood 0.2767 0.02 HCC1395_BL unmatched Sig_18_tissue 0.363 0.02 HCC1395_tumor unmatched Sig_18_Blood 0.3316 0.02 HCC1395_tumor unmatched Sig_18_tissue 0.3696 0.02 Sig_18_Blood matched Sig_18_tissue 0.6973 0.02