Cholecystitis, also known as acute cholecystitis, is related to emphysematous cholecystitis and acalculous cholecystitis. An important gene associated with Cholecystitis is CCK (Cholecystokinin), and among its related pathways/superpathways are Innate Immune System and Infectious disease. The drugs Nefopam and Sulbactam have been mentioned in the context of this disorder. Affiliated tissues include pancreas and liver, and related phenotypes are homeostasis/metabolism and liver/biliary system