Nanoliposomal Irinotecan, Oxaliplatin Plus Capecitabine As Conversion Therapy of Locally Advanced Colorectal Cancer

After patients are enrolled, they will receive a modified FOLFOXIRI regimen (nanoliposomal irinotecan 60mg/m2, oxaliplatin 85 mg/m2, and capecitabine 800 mg/m2 twice daily, day 1 to 7), repeated every two weeks. The efficacy and resectability were evaluated every four cycles. Patients who had lesions that were radically resectable after evaluation will receive surgery. This medication will be administrated until disease progression or unacceptable toxicity or resectability or up to a maximum of 12 cycles.