SLC26A3 and adenocarcinoma: (C) Immunohistochemistry (IHC) staining showing the protein expression of SLC26A3 in surgically resected adenocarcinoma (ADC) samples which are classified as early stages (International Federation of Gynecology and Obstetrics [FIGO] stage I–IIA) and late stages (FIGO stage IIIC1–2p).