Fig. 1From: High expression of Claudin-2 in esophageal carcinoma and precancerous lesions is significantly associated with the bile salt receptors VDR and TGR5Immunostain score of Claudin-2 expression in esophageal adenocarcinoma. a No staining (0); b 1+ staining, c 2+ staining, and d 3+ stainingBack to article page