As shown in Fig. 1, the mean number of IL-17A+ cells per HPF was 6.7[2.9, 11.8] in polyp tissues and 1.6[0.8, 2.4] in normal controls; the mean staining score of MUC5AC was 2.2[1.7, 3.0] in polyp tissues and 0.6[0.4, 1.1] in normal controls. The gene discussed is MUC5AC; the disease is polyp.