HCC1395_BL matched HCC1395_tumor 0.7478 0.02 HCC1395_BL unmatched Sig_18_Blood 0.3872 0.02 HCC1395_BL unmatched Sig_18_tissue 0.4371 0.02 HCC1395_tumor unmatched Sig_18_Blood 0.2899 0.02 HCC1395_tumor unmatched Sig_18_tissue 0.2749 0.02 Sig_18_Blood matched Sig_18_tissue 0.8551 0.02