HCC1395_BL matched HCC1395_tumor 0.6396 0.02 HCC1395_BL unmatched Sig_18_Blood 0.4117 0.02 HCC1395_BL unmatched Sig_18_tissue 0.4463 0.02 HCC1395_tumor unmatched Sig_18_Blood 0.2614 0.02 HCC1395_tumor unmatched Sig_18_tissue 0.371 0.02 Sig_18_Blood matched Sig_18_tissue 0.747 0.02