Metformin improves survival in lung cancer patients with type 2 diabetes mellitus: A meta-analysis.

Background And Objective: In recent years, many studies have investigated metformin and its effects on lung cancer. However, since previous studies have shown that the relationship between metformin and lung cancer is complicated, we performed a meta-analysis to analyze this relationship.

Material And Methods: An electronic database search was conducted using PubMed, Embase, and Cochrane library.