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Comparison of treatment effects. (A) PFS; (B) OS; (C) ORR; (D) DCR. PFS, progression-free survival; OS, overall survival; ORR, objective response rate; DCR, disease control rate; RCT, randomized controlled trial; RWS, real-world studies; BEV, bevacizumab; CET, cetuximab; XELOX, oxaliplatin combined with capecitabine; ES, effect size; CI, confidence interval.
