Figure 1. Identification of prognosis-related FRLs and establishment of FRLSG. (A, B) The LASSO regression model for the identification of the most robust FRLs. (C) Forest plot demonstrating FRLs associated with GC survival, analyzed by multivariate Cox regression. *P < 0.05, **P < 0.01, and ***P < 0.001. (D) Sankey diagram showing the relationships among FRGs, FRLs and risk type.