sample_ID	HCC1395_BL	HCC1395_tumor	Sig_18_Blood	Sig_18_tissue
HCC1395_BL	1.0	0.7478314216350638	0.3871710352947998	0.4370617894300309
HCC1395_tumor	0.7478314216350638	1.0	0.2898808199318336	0.27485693597793803
Sig_18_Blood	0.3871710352947998	0.2898808199318336	1.0	0.8551419870217748
Sig_18_tissue	0.4370617894300309	0.27485693597793803	0.8551419870217748	1.0