MAIP1 and neoplasm: The level of MAIP1 expression among various clinicopathological characteristics was further investigated by stratified analysis, which revealed pronounced overexpression of MAIP1 in EC patients with alcohol history (p < 0.01), smoking history (p < 0.01), high tumor grade (p < 0.05), advanced clinical stages (p < 0.01), and active lymph node metastasis status (p < 0.05) (Figures 2(b)–2(l)).