title: The authors respond.
authors.forename: Sharon A
authors.initials: SA
authors.lastname: Center
authors.forename: Catherine C
authors.initials: CC
authors.lastname: Cortright
authors.forename: John F
authors.initials: JF
authors.lastname: Randolph
authors.forename: Sean P
authors.initials: SP
authors.lastname: McDonough
mesh_terms: D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000662:veterinary*; D004283:Dog Diseases / Q000473:pathology*; D005260:Female; D008099:Liver / Q000000981:diagnostic imaging* / Q000473:pathology*; D008113:Liver Neoplasms / Q000662:veterinary*; D008297:Male; D014463:Ultrasonography