On gross pathology, acute cholecystitis has the following features:      Enlarged/distended gallbladder Serosal or mucosal exudates Thickened wall with hemorrhage and edema Ulcers, pus, bile, and gallstones
What is the underlying process or mechanism that causes acute cholecystitis?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the underlying process or mechanism that causes acute cholecystitis? [/INST] \n On gross pathology, acute cholecystitis has the following features:      Enlarged/distended gallbladder Serosal or mucosal exudates Thickened wall with hemorrhage and edema Ulcers, pus, bile, and gallstones</s>