It was statistically found that in the subgroup analysis of the patient's area, the expression of IL-33 protein in the Asian group was found to be positively correlated with tumor stage (OR = 1.582, 95% CI = 1.285–1.946, p < 0.000), tumor size (OR = 1.184, 95% CI = 1.044–1.343, p = 0.008) and histological grade (OR = 1.262, 95% CI = 1.001–1.591, p = 0.049), which was consistent with the overall analysis. Here, IL33 is linked to neoplasm.