Right upper quadrant (RUQ) pain refers to discomfort in the upper right region of your abdomen, which often causes pain beneath or behind your lower ribs. Pain in the RUQ can range from person to ...

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

Pain in this area, also known as the "right upper quadrant" of the abdomen, could be related to any of the different bones, organs, muscles, glands, and other tissues in this part of the body.

When a 60-year-old woman with severe abdominal pain shows positive Carnett’s and pinch signs, physicians suspect ACNES — but ...

Chest pain from right sided heart strain may occur due to severe venous pulmonary hypertension. Other signs of right heart failure such as right upper quadrant pain (due to hepatic congestion ...