GC	Gastric Cancer
scRNA-seq	single-cell RNA sequencing
ssGSEA	single-sample Gene Set Enrichment Analysis
RS	Risk Score
OS	Overall Survival
CPT	Camptothecin
LASSO	Least Absolute Shrinkage and Selection Operator
KM	Kaplan–Meier
ROC	Receiver Operating Characteristic
IHC	Immunohistochemistry
C-index	Concordance index
GEO	Gene Expression Omnibus
TME	Tumor Microenvironment
RNA-seq	RNA sequencing
GDSC	Genomics of Drug Sensitivity in Cancer