The difference between cholecystitis and colon cancer symptoms is that cholecystitis has a history of gallbladder disease and biliary colic, while colon cancer is asymptomatic in the early stages and has a different site of pain. The symptoms of cholecystitis and colon cancer are as follows: 1. Cholecystitis: Most patients with acute cholecystitis have a history of gallbladder disease before attack. Clinical symptoms manifest as sudden paroxysmal colic pain in the right upper abdomen, which is mostly related to satiety, eating greasy food, exertion and mental factors. It may be accompanied by anorexia, nausea and vomiting. Most chronic cholecystitis patients have a history of biliary colic, with vague pain in the right upper abdomen or the back of the shoulder, aggravated by eating. Few of them have chills, high fever and jaundice. 2. Colorectal cancer: Early stage may be asymptomatic, but with the progress of disease, symptoms may appear. The main symptoms include change of bowel habit and fecal character, abdominal pain (manifested as persistent hidden pain with inaccurate localization, or only abdominal discomfort or bloating), abdominal mass, abdominal distension, abdominal pain, constipation, anemia, emaciation, malaise, low fever, jaundice, edema, etc. If the above symptoms appear, it is recommended to go to the hospital. It is recommended to go to the hospital when the above symptoms occur, so that treatment can be given after a clear diagnosis is made.