Received: 20 April 2020
Accepted: 11 November 2020
First Online: 19 November 2020
Ethics approval and consent to participate
: PIPAC registry data collection (registration no. 15–5280) and retrospective evaluation for this cohort study (registration no. 19–6612) were approved by the Institutional Review Board of the Ruhr-Universität Bochum, Germany. All patients gave written informed consent for their data to be entered into the registry.
: Not applicable.
: One of the authors (GAR) serves as Associate Editor for BMC Cancer. Otherwise, the authors declare that they have no competing interests.