Regionalization and Outcomes of Hepato-pancreato-biliary Cancer Surgery in USA

Recent publications demonstrate regionalization of complex operations to high-volume centers (HVCs) in the USA. We hypothesize that this pattern applies to hepato-pancreato-biliary (HPB) cancer resections and improved outcomes. The Nationwide Inpatient Sample (NIS) data were analyzed from 1995–1999(T1) to 2005–2009(T2) for all HPB oncologic resections. Division of hospitals into high-, mid-, and low-volume centers (HVC, MVC, LVC) was performed....