title: Image of the month: retroperitoneal lipoma.
authors.affiliation: General Surgery Residency Program, Metropolitan Group Hospitals, Chicago, IL 60657, USA. iraftopoulos@hotmail.com
authors.forename: Ioannis
authors.initials: I
authors.lastname: Raftopoulos
authors.forename: Theresa
authors.initials: T
authors.lastname: Lee
authors.forename: Mitchel P
authors.initials: MP
authors.lastname: Byrne
mesh_terms: D003937:Diagnosis, Differential; D004210:Dissection / Q000379:methods; D006801:Humans; D008067:Lipoma / Q000000981:diagnostic imaging* / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery*; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome