title: What is your diagnosis? An air-filled circular lesion within the caudodorsal portion of the thorax.
authors.affiliation: Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge 70803.
authors.forename: D T
authors.initials: DT
authors.lastname: Lewis
authors.forename: R D
authors.initials: RD
authors.lastname: Pechman
authors.forename: J
authors.initials: J
authors.lastname: Taboada
authors.forename: C S
authors.initials: CS
authors.lastname: Hedlund
mesh_terms: D000818:Animals; D004936:Diverticulum, Esophageal / Q000150:complications / Q000000981:diagnostic imaging / Q000662:veterinary*; D004283:Dog Diseases / Q000000981:diagnostic imaging*; D004285:Dogs; D005260:Female; D011859:Radiography; D014839:Vomiting / Q000209:etiology / Q000662:veterinary*