Irinotecan Liposomes Combined with Cetuximab + Vermofenib in First-line Failure of Advanced Colorectal Cancer

Vermofenil 960mg orally twice daily; Irinotecan liposomes, 70mg/m2, d1, 90 min intravenously, Q2W; Cetuximab 500mg/m2, d1, Q2W;