Figure 5. Analysis of SAAL1 gene alterations and promoter methylation status in various cancer types. (A) SAAL1 gene alteration types and frequencies in different cancer types. (B) Mutation types, sites, and frequencies (case numbers). (C) Survival curves for cancer patients with and without altered SAAL1. (D) SAAL1 promoter methylation status in LUAD and LUSC.