title: PREMALIGNANT GASTROINTESTINAL LESIONS.
mesh_terms: D000126:Achlorhydria; D000740:Anemia; D000752:Anemia, Pernicious; D003092:Colitis; D003093:Colitis, Ulcerative; D003110:Colonic Neoplasms; D003937:Diagnosis, Differential; D004936:Diverticulum, Esophageal; D004938:Esophageal Neoplasms; D004940:Esophageal Stenosis; D005767:Gastrointestinal Diseases; D005853:Geriatrics; D006801:Humans; D007971:Leukoplakia; D009369:Neoplasms / Q000175:diagnosis*; D010336:Pathology; D011127:Polyps; D013274:Stomach Neoplasms
keywords: ACHLORHYDRIA; ANEMIA, PERNICIOUS; COLITIS, ULCERATIVE; COLONIC NEOPLASMS; DIAGNOSIS, DIFFERENTIAL; ESOPHAGEAL DIVERTICULA; ESOPHAGEAL NEOPLASMS; ESOPHAGEAL STENOSIS; GASTROINTESTINAL DISEASES; GERIATRICS; LEUKOPLAKIA; NEOPLASM DIAGNOSIS; PATHOLOGY; POLYPS; STOMACH NEOPLASMS