ALB and adenocarcinoma: This study emphasizes the enormous difficulties encountered by patients with lung cancer and PE. PE has a 19.4% recurrence rate and a 73.7% mortality rate among those with lung cancer and recurrence of PE. The main predictors of PE recurrence are adenocarcinoma, systemic infection, elevated D-dimer levels, and low serum albumin levels; adenocarcinoma and low serum albumin levels predicted mortality.