Pettit, NicholasCorson-Knowles, Daniel2025-02-042025-02-042021Pettit N, Corson-Knowles D. A large back mass. Journal of the American College of Emergency Physicians Open. 2021;2(4):e12511. doi:10.1002/emp2.12511https://hdl.handle.net/1805/45658en-USAttribution-NonCommercial-NoDerivatives 4.0 InternationalBack massSkin necrosisFat necrosisLiposarcomaArticle