EPPK1 and tubular adenoma: Specifically, tubulovillous adenomas [4.32 (95% CI, 4.08–4.32)] and adenocarcinomas [4.04 (95% CI, 3.98–4.24)] exhibited lower epiplakin densities compared to normal [4.61 (95% CI, 4.50–4.67)] and tubular adenomas [4.87 (95% CI, 4.67–4.88)] (P < 0.05) (Table 1).