Reassessment and stratification of risk factors for postoperative pneumonia following gastrectomy in the minimally invasive surgery era: A large contemporary cohort study.
BACKGROUND Postoperative pneumonia is an important complication following gastrectomy. While several risk factors have been reported, most evidence is derived from small cohorts predating population aging or the minimally invasive surgery (MIS) era. Therefore, we aimed to reassess the risk factors in a large contempora...