Dalda, YasinKayaalp, Cüneyt2024-08-042024-08-0420222587-0610https://doi.org/10.14744/less.2022.67674https://search.trdizin.gov.tr/yayin/detay/1132419https://hdl.handle.net/11616/89578Morbid obesity is a major problem of our age with increasing frequency and high comorbidities. It is associated with many chronic diseases and vascular diseases that can result in death. Laparoscopic Roux-en-Y Gastric bypass is one of the accepted safe surgical methods for long-term weight control and reduction of comorbidities in the treatment of obesity. Marginal ulcers are one of the long-term complications seen after this surgery and are not very common. In this case report, we aimed to present a marginal ulcer perforation that developed in a patient who had previously undergone gastric bypass surgery for obesity.eninfo:eu-repo/semantics/openAccessArticle29317617810.14744/less.2022.676741132419