Chronic pancreatitis can cause pain that starts in the middle or left side of your abdomen and radiates to your back.

Epigastric pain affects the middle of the upper abdomen, just below the ribcage. It is common during pregnancy. Other causes include indigestion, acid reflux and GERD, peptic ulcer disease ...

Commonly, pain occurs in the upper part of stomach, but can also occur in the middle or right side and is mostly burning in nature. At times, the pain is radiated to the middle or left side of the ...