sample_ID	HCC1395_BL	HCC1395_tumor	Sig_18_Blood	Sig_18_tissue
HCC1395_BL	1.0	0.6877593206290556	0.27667088320690486	0.3629972710066296
HCC1395_tumor	0.6877593206290556	1.0	0.33157802534471265	0.36959080455326143
Sig_18_Blood	0.27667088320690486	0.33157802534471265	1.0	0.697254713445598
Sig_18_tissue	0.3629972710066296	0.36959080455326143	0.697254713445598	1.0