title: When should a liver mass suspected of being a hepatocellular carcinoma be biopsied?
authors.forename: E
authors.initials: E
authors.lastname: Souto
authors.forename: G J
authors.initials: GJ
authors.lastname: Gores
mesh_terms: D001707:Biopsy, Needle / Q000009:adverse effects / Q000706:statistics & numerical data*; D006528:Carcinoma, Hepatocellular / Q000175:diagnosis / Q000473:pathology*; D003952:Diagnostic Imaging; D006801:Humans; D008099:Liver / Q000473:pathology*; D008113:Liver Neoplasms / Q000175:diagnosis / Q000473:pathology*; D009366:Neoplasm Seeding; D012307:Risk Factors