Bile reflux
Stomach cancer
Kidney infection
Kidney stone
Pain in this part of your abdomen can also start in your chest because of:
Heartburn
Angina, or chest pain caused by coronary artery disease
Chest pain not related to your heart
Heart attack
Inflammation of the tissue that surrounds your heart, called pericarditis
Pneumonia
Inflammation of the lining of your lungs, called pleurisy
Pulmonary embolism
Abdominal Pain on Right Side
If you have pain in your lower right abdomen, it could mean trouble with your appendix, such as appendicitisor, rarely, appendix
