title: Biopsy appearances easily mistaken for malignancy in gastrointestinal endoscopy.
mesh_terms: D000368:Aged; D002277:Carcinoma / Q000648:ultrastructure; D003937:Diagnosis, Differential; D004724:Endoscopy; D004938:Esophageal Neoplasms / Q000648:ultrastructure; D004942:Esophagitis, Peptic / Q000473:pathology*; D004947:Esophagus / Q000648:ultrastructure*; D006801:Humans; D008297:Male