You may have left upper quadrant (LUQ) pain from conditions that affect organs like your spleen, kidney, or stomach. It is ...

Abdominal rigidity is stiffness of your stomach muscles that worsens when you touch, or someone else touches, your abdomen. It’s an involuntary response to prevent pain caused by pressure on your ...

An abdominal mass is an abnormal growth in the abdomen. It causes visible swelling and may change the shape of the abdomen. You may notice weight gain and symptoms like abdominal discomfort, pain, and ...