Table 1.

GEO datasets enrolled in the study.

Database	Source	Sample			Platform
		T	P	N
GSE26566	https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE26566	106	59	6	Illumina v2.0
GSE119336	https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE119336	15	–	15	Affymetrix 6.0
GSE76297	https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE76297	91	92	–	Affymetrix HTA-2_0
GSE89749	https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE89749	118	–	2	Illumina V4.0

N，normal ICC tissue samples; P, para-cancerous tissue samples; T, tumor samples.