Lifted left arm to hug someone and felt a severe pain in rib area just under and behind left breast. Has intensified over one week period. Coughing and movement are very painful. When touched, area feels like it was bruised, but there are no visible signs of bruising. Very slight swelling. At night, turning over is very painful. Intensifies after walking. Any general movement is painful, but it worse at night. Bending over is excruciating.