Left upper quadrant pain typically suggests pathology in the stomach, pancreas, spleen, or splenic flexure of the colon. On occasion, cardiac or pulmonary pathology can cause isolated LUQ pain.

The left side of your body houses the intestines, ureters, and more, and pain in the lower left abdomen can be caused by issues related to any of these organs.

Flank percussion producing inguinal pain suggests a kidney stone (Lloyd sign). ... Careful palpation should follow any of these methods (see Palpating the Left Upper Quadrant, below).

A 16-year-old girl was admitted to the hospital because of abdominal pain, ... left upper quadrant, and right upper quadrant. The white-cell count was 14,900 per microliter ...