Biliary enlargement may be the enlargement of the gallbladder, there are many causes, there are chronic cholecystitis, gallbladder stones, gallbladder tumors, etc., the cause of different symptoms are not the same, the common symptoms are abdominal discomfort, abdominal pain in the right upper abdomen and painless jaundice. 1. Chronic cholecystitis: generally there are no obvious clinical symptoms, often only a slight right upper abdominal distension discomfort, once you eat fatty foods will lead to increased discomfort. 2. gallbladder stones: if the gallbladder stones are embedded, resulting in bile can not be discharged and induced, will cause severe right upper abdominal colic symptoms. 3. Gallbladder tumor: it can cause obstruction of gallbladder, resulting in bile cannot be discharged, usually there is no obvious discomfort, and it can cause painless jaundice, such as yellow skin, yellow eyes and yellow urine. If the symptoms of gallbladder enlargement are obvious, a cystic mass may be palpable in the right upper abdomen. The above symptoms should be taken seriously and treated in a timely manner to avoid affecting your health.