MUC2 and neoplasm: MUC2 promoter was hypermethylated in 62.2% (46/74) of HCCs, and in 18.9% (14/74) of non-tumor samples; partial methylated in 28.4% (21/74) vs. 62.2% (46/74); unmethylated in 9.4% (7/74) vs. 18.9% (14/74).