Left Side Chest And Back Pain Causes. Lung cancer tumor s may grow in a manner that eventually causes pain in the chest and upper back or shoulder. This pain may even be heightened when eating after eating or when breathing.
There are some other reasons for having sharp pains on the left side of your chest and upper abdomen. Therefore pain on the left side of your chest could be caused by. Left side chest pain can accompany many left side abdominal pains.
A common reason for having sharp pains in the left side of the chest is due to excessive gas.
Left side chest pain can accompany many left side abdominal pains. Visit a doctor for any unexplained chest pain that persists or recurs. Other causes of left side chest pain. This pain may even be heightened when eating after eating or when breathing.