GC	Gastric cancer
OS	Overall survival
HYS	Hypoxia-related gene signature
TME	Tumor microenvironment
ssGSEA	Single-sample gene set enrichment analysis
WGCNA	Weighted gene co-expression network analysis
GEO	Gene Expression Omnibus
TCGA	The Cancer Genome Atlas
scRNA-seq	Single-cell RNA sequencing
GO	Gene Ontology
KEGG	Kyoto Encyclopedia of Genes and Genomes
BP	Biological process
CC	Cellular component
MF	Molecular function
ROC	Receiver operating characteristic
AUC	Area under the curve
HR	Hazard ratio
CI	Confidence interval
K–M	Kaplan–Meier
LASSO	Least absolute shrinkage and selection operator
qRT-PCR	Quantitative real-time polymerase chain reaction
MM	Module membership