The left upper quadrant (LUQ) is the left upper abdominal region, starting from the chest's middle line to the left side of ...

The abdomen is divided into four sections called quadrants. An abdominal mass may occur in the right upper quadrant, left upper quadrant, right lower quadrant, or left lower quadrant. The stomach ...

People can experience pain under the ribs in the upper left abdomen for many reasons. Some possible causes include gastrointestinal issues and injuries to organs within the area. The rib cage ...