title: Surgical Oncology Clinics of North America. Biliary tract and primary liver tumors. Foreword.
authors.affiliation: Helen F. Graham Cancer Center at Christiana Care, 4701 Ogletown-Stanton Road, Suite 1213, Newark, DE 19713, USA. Electronic address: npetrelli@christianacare.org.
authors.forename: Nicholas J
authors.initials: NJ
authors.lastname: Petrelli
mesh_terms: D001661:Biliary Tract Neoplasms; D006801:Humans; D008113:Liver Neoplasms; D008495:Medical Oncology; D009656:North America