“Pain in the right upper abdomen may reflect gallbladder disease, perhaps from gallstones,” Raufman said. If you notice pain in the lower quadrants of your stomach that persists and is sharp and ...

Medically reviewed by Jay N. Yepuri, MD Lower abdominal pain is commonly caused by trapped gas or indigestion. Less commonly, ...

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, left upper ...