title: Editorial: ultrasound surveillance of hepatocellular carcinoma in the 21st century - authors' reply.
authors.affiliation: Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, USA.
authors.forename: O
authors.initials: O
authors.lastname: Simmons
authors.affiliation: Department of Radiology, UT Southwestern Medical Center, Dallas, TX, USA.
authors.forename: D T
authors.initials: DT
authors.lastname: Fetzer
authors.affiliation: Department of Radiology, UT Southwestern Medical Center, Dallas, TX, USA.
authors.forename: T
authors.initials: T
authors.lastname: Yokoo
authors.affiliation: Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, USA.
authors.forename: J A
authors.initials: JA
authors.lastname: Marrero
authors.affiliation: Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA.
authors.forename: A
authors.initials: A
authors.lastname: Yopp
authors.affiliation: Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA.
authors.forename: N
authors.initials: N
authors.lastname: Parikh
authors.affiliation: Department of Radiology, UT Southwestern Medical Center, Dallas, TX, USA.
authors.forename: T
authors.initials: T
authors.lastname: Browning
authors.affiliation: Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, USA.
authors.forename: A G
authors.initials: AG
authors.lastname: Singal
mesh_terms: D006528:Carcinoma, Hepatocellular; D006801:Humans; D008113:Liver Neoplasms; D014463:Ultrasonography