Selective Internal Radiation Therapy (SIRT) in Patients With Unresectable Colorectal Cancer Liver Metastases Who Failed Prior Intraarterial Pump Chemotherapy

SIR-spheres® will be administered at 70%, 85% and 100% of the calculated individual patient dose (approximately 1 month prior to SIR-spheres® administration).The first cohort will receive SIRSpheres® at 70% of the individually calculated patient dose, the second will receive 85% of the calculated patient dose, and the third will receive 100% of the calculated patient dose.