In this series "Evidence Today and Tomorrow", the HPB disease site working group of the SSO explored current gaps in HPB surgical oncology, highlighting existing evidence and ongoing work aimed at filling those gaps. In this episode, Dr. Julie Hallet, chair of the HPB disease site working group, and Dr. Noah Cohen, member of the HPB disease site working group, are joined by Drs. Michael Lidksy and Bas Groot Koerkamp to review evidence in hepatic artery infusion pump therapy.