Gastrointestinal Tract and Liver Esophagus and Stomach Eosinophilic esophagitis Candida esophagitis Chronic gastritis (H. pylori) Helicobacter Heilmannii Intestinal metaplasia Gastric adenocarcinoma (diffuse Signet ring type) Gastrointestinal stromal tumor (GIST) (Case 1) Gastrointestinal stromal tumor (GIST) (Case 2) Small and Large Intestines Collagenous colitis Mucinous adenocarcinoma Appendiceal Mucinous cystadenocarcinoma Acute appendicitis Appendiceal carcinoid Anal transition zone carcinoma Anorectal Melanoma Infectious and Inflammatory Cryptosporidiosis (gallbladder) Pseudomembranous colitis Cytomegalovirus (stomach) Schistosomiasis Enterobius vermicularis (appendix) Giardiasis (duodenum) Strongyloidiasis Spirochetosis Chronic ulcerative colitis Inflammatory bowel disease (indeterminate type) Pancreas and Bile Duct Adenocarcinoma Dysplasia Liver Infectious Disease Miliary tuberculosis Hepatitis B Hepatitis C Vascular Disorder Passive congestion with centrolobular necrosis Cardiac sclerosis Toxic and Metabolic Disorder Non-alcoholic steatohepatitis (NASH) Acute alcoholic hepatitis with Mallory bodies Alpha-1 anti-trypsin deficiency Glycogen storage disease type I Gaucher disease Non-Neoplastic Disorder Acute cholecystitis Chronic cholecystitis Feathery degeneration Bile infarct Secondary biliary cirrhosis Neoplastic Disorder Cholangiocarcinoma Hepatocellular carcinoma