HAI-Floxuridine, or Liver-Tx, Combined With 2nd Line Chemotherapy Versus 2nd Line Chemotherapy Alone for Patients With Colorectal Liver Metastases and Heavy Tumour Burden.

A laparotomy will be performed and a catheter placed in the hepatic artery Connected to a subcutaneous pump. This pump will be percutaneously filled with Floxuridine 6 times in 2 weeks cycles, alternating with heparin-solution.

Patients randomized to this arm will be given 2nd line chemotherapy (regimen given at the discression of the treating oncologist) followed by liver-Tx