How to identify gallbladder stones? 1.Pain in the right upper abdomen, sometimes the pain radiates to the right shoulder and back. 2.The pain increases when eating greasy food. Li Yongkun, Department of General Surgery, The First Affiliated Hospital of Nanyang Medical College 3. Occasional fever, which may be accompanied by chills and fever when bile duct stones are present. 4.Pain accompanied by nausea and vomiting, anorexia. 5, pain intermittent episodes, after drinking, after the dinner more often, because of the above occasions of eating more greasy food, and full. 6, the disease is easily confused with gastric disease, most patients have been suffering from the disease for many years, and have been treated according to gastric disease, with poor results.