CXCL5 and neoplasm: The analysis revealed that the high expression of CXCL5 was significantly correlated with tumor size (P = 0.047), Dukes’ stage (P = 0.003), tumor invasion (P = 0.009), lymph node localization (P = 0.002), and liver metastasis (P = 0.022) (Additional file 3: Table S4).