Fig. 5

PPI network construction and co-expression analysis for the 10 hub genes in ESCC. a A total of 10 hub genes with higher degree of connectivity were selected and filtered into the PPI network complex using the STRING online database. b The PPI network of the 10 hub genes and their related genes, created by the FunRich software. c The co-expression analysis of 10 hub genes using the STRING online database