I have chest pain on the right side above my breast whenever i take a deep breath. i cannot think of anything that could of caused it.?

Pulls and Pleurisy: The usual explanation in someone your age is a simple strain of an intercostal muscle, but inflammation of the linings around the heart or lung can cause this as well. You haven't specified what type of pain, but i suppose some injury to the ribs and/or cartilage could do it as well. See your doc to discuss.

Several possibles: Musculoskeletal from any trauma pulmonary pneumothorax lung inflammation- pneumonia pleurisy pulmonary embolism cardiac?