Pathology of the Gastrointestinal Tract, Page 297

abnormalities acid active acute adenocarcinoma analysis antigen appearance Arch areas associated Barrett biopsy bowel Cancer carcinoid carcinoma cause cells changes Chapter chronic Clin clinical colitis colon colorectal common contain cytoplasm detected diagnosis differentiation disease disorders drugs dysplasia early effects endocrine endoscopic eosinophils epithelial cells epithelium esophageal et al evidence expression factors familial Figure findings frequently function gastric gastritis Gastroenterol Gastroenterology gastrointestinal tract gene genetic glands histologic human identified immunohistochemical increased infection inflammation inflammatory injury involvement jejunum lamina propria lesions lymphocytes lymphoma malignant metaplasia mucosa multiple muscle mutations normal noted observed occur organisms Pathol Pathology patients polyps present primary produce proliferation protein radiation rare rectum reflux region reported result seen severe significant small intestine specific specimens squamous staining stomach structure submucosa surface Surg syndrome Table tion tissue tumors typically ulcer usually vascular wall