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Abbreviation: 5FU, fluorouracil; CI, confidence interval; CRC, colorectal cancer; DFS, disease‐free survival; HDFU, high‐dose fluorouracil; HR, hazard ratio; mos, months; MSI, microsatellite instability; MSI‐H, high microsatellite instability; MSS, microsatellite‐stable; OS, overall survival; pts, patients.
