IL17A and chronic rhinosinusitis with nasal polyps: The ROC curve showed that serum eotaxin (AUC = 0.729, P < 0.001) and RANTES (AUC = 0.776, P < 0.001) exhibited stronger ability than serum IL-17A (AUC = 0.617, P = 0.027) in predicting CRSwNP recurrence.