2。 Gastroduodenal diseases: there are typical rhythmic pains in the upper abdomen, such as postprandial pain or hunger pain or late-night pain, and some cases also have discomfort such as acid regurgitation, belching and abdominal distension.
3. Hepatobiliary diseases: such as liver tumors, hepatitis, cholecystitis, gallstones, bile duct stones, gallbladder polyps or tumors can cause discomfort in the right upper abdomen, and the reaction is discomfort and pain in the right rib arch. There are still various differences between them, and I really can't list them for you.
4。 Lung diseases: pneumonia, pleurisy and sometimes abdominal pain.
5。 Heart disease: A few patients with heart disease will have abdominal pain.
7。 Intestinal diseases: colon diseases (tumors, polyps, etc. ), small intestinal diverticulum (or diverticulitis), etc. Can be manifested as pain in the left upper abdomen.
But the first and second situations are the most common. If you go to the hospital for systematic examination, the diagnosis is no problem.