Upper abdominal pain can be no big deal—or it can merit a trip to the ER. Here's how experts say you can tell the difference.

pain, and bloating. Masses in the abdomen are often described by their location. The abdomen is divided into four sections called quadrants. An abdominal mass may occur in the right upper quadrant ...

which supplies blood to the upper abdominal organs. The main symptoms are chronic abdominal pain that has lasted several months, abdominal pain after eating, weight loss, and sometimes an abdominal ...

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