Table 1. Numbers of tumor and paracancerous tissues contained in every TCGA dataset that used in the present study.

Dataset	Tumor tissue	Paracancerous tissue
BRCA	783	109
BLCA	419	21
COAD	315	38
GBM	153	2
HNSCC	530	50
KIRC	325	160
LIHC	380	50
LUAD	475	32
LUSC	370	42
READ	99	7
UCEC	439	46