But when you have pain under your left breast, it’s understandable to have questions. After all, your heart and a bunch of ...
A hiatal hernia—a rarer cause of pain under your left breast—is when your upper stomach bulges through the diaphragm, which ...
Hiatal hernias happen when the upper part of the stomach bulges through the large muscle separating the chest and abdomen. "That can potentially cause discomfort or pain under the left breast," Dr ...
But when you have pain ... upper abdomen that may spread to the back, but may be felt higher up, under the left breast, says Dr. Ross. Pleurisy is an inflammation of the lining of the lungs and ...