LIFR and colorectal carcinoma: The ten CRC-specific CpG sites were annotated to three genes (Additional file 1: Table S2): chromosome 20 open reading frame 194 (C20orf194; cg04125300, cg15863924, and cg02893482), LIF receptor alpha (LIFR; cg18174928, cg12602374, and cg11841722), and zinc finger protein 304 (ZNF304; cg23250910, cg10157975, cg13788592, and cg21627760).