I have been paining since last Sunday with a sharp pain in the left breath but it only when I try to laid down and i get up the pain is so bad until I almost cry but I go through the day working and not paining at all the upper left shoulder leading DOWARD TOWARD MY BREATH NOT SICK ON THE STOMACH AND NO OTHER PAINS JUST THAT HARD PAIN IN THE LEFT BREATH WHEN I GO TO GET UP HAVE TO HOLD MY BREATH CLOSE TO MY BODY AND GET UP SLOW TO TRY AND EASY MY PAINS IAM TENDER IN THE AREA WHERE I HAD HARD PAINS I FEEL ALITTLE SORE WHAT CAN YOU TELL ME ABOUT THIS ARE THEY SYSPTOMS OF A HEART ATTACK IAM GOING FOR MY MAMMOGRAM TOMORROW