👉 A liomyofibroma is a benign tumor that arises from muscle cells in the heart, causing pain and discomfort. It can occur at any age and is often found in the left side of the chest or upper abdomen. The symptoms of a liomyofibroma vary depending on its location and size. Some people may experience shortness of breath, nausea, heartburn, or back pain. It's important to have regular check-ups with your healthcare provider as it can be life-threatening if