1. Section of Diagnostic Imaging (C.S., M.P., P.L.P.), Section of Internal Medicine (M.M.), Section of Surgery and Obstetrics (L.P.) Companion Animal Clinic, School of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece; Private Surgeon-Private Practitioner, Thessaloniki, Greece (P.E.P.); and 3rd Clinic of Surgery, School of Medicine, Aristotle University of Thessaloniki, University campus, Thessaloniki, Greece (N.T.).