People with both acute and chronic pancreatitis typically have pain in the upper abdomen that may spread to the back, but may be felt higher up, under ... the upper ribs on the left-hand side ...
Pain under your left breast can send up some red flags ... It often happens after an injury or trauma to the back, chest, or rib area, per the National Library of Medicine. How to treat it ...
Symptoms of rib injury include localized pain that can be severe. The rib cage glides open a bit with each breath and flexes in response to motion, each of which can also trigger pain or discomfort.