IL33 and neoplasm: Overall, the analysis showed that IL-33 expression was associated with tumor stage (OR = 1.308, 95% CI = 1.091–1.567, p = 0.004), histological grade (OR = 1.96, 95% CI = 1.176–1.789, p = 0.001), distant metastasis (OR = 1.660, 95% CI = 1.048–2.630, p = 0.031) and tumor size (OR = 1.406, 95% CI = 1.088–1.816, p = 0.009).