<unk>  accounts for 3–10% of cases of abdominal pain worldwide.<unk>  caused an estimated 651,829 emergency department visits and 389,180 hospital admissions in the US in 2012. The 2012 US mortality rate was 0.7 per 100,000 people. The frequency of<unk>  is highest in people age 50–69 years old.
Cholecystitis
Hepatitis
Cholangitis 
Angina
Biliary colic
Peptic ulcer disease
Pancreatitis
Pneumonia