Additional flushingThere is no consensus about the usefulness of flushing theabdominal cavity with crystalloids at the end of oxaliplatin administration. When flushing is performed, its purpose is to minimize systemic exposure to both patient and personnel, as well as to evacuate remaining debris and clots due to the surgery and resulting bleeding. However, HIPEC without flushing might increase tumour exposure because intraperitoneal tumour cells might be exposed to high concentrations of oxaliplatin for a longer period. Currently, there is a lack of knowledge on the effect of additional flushing on oxaliplatin PK