ALB and infection: PNI is a comprehensive clinical scoring tool that combines albumin and lymphocyte levels to reflect the nutritional and immune status of cancer patients.10 Numerous studies have demonstrated that the decrease in lymphocyte counts reflects the reduced immune function and increased risk of infection in patients.24-26 The research results of Tatara et al.25 showed that lymphocyte depletion predicts poor prognosis for elderly GC patients after radical gastrectomy.