title: [Left flank pain in a middle-aged man].
authors.affiliation: Servicio de Radiodiagnóstico, Hospital Clínico Universitario San Carlos, Madrid.
authors.forename: E
authors.initials: E
authors.lastname: Castro Reyes
authors.forename: J C
authors.initials: JC
authors.lastname: Antela López
authors.forename: E
authors.initials: E
authors.lastname: Lozano Setién
authors.forename: J
authors.initials: J
authors.lastname: Martín García
mesh_terms: D015746:Abdominal Pain / Q000175:diagnosis* / Q000209:etiology; D003560:Cysts / Q000150:complications / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D012187:Retroperitoneal Space; D014556:Urine
vernacular_title: Dolor en flanco izquierdo en varón de mediana edad.