okay so i didnt fall or anything i was simplly on the computer an finshed my studys an went to take a shower as i went to grab my towel from my closet there was a very sharp pain near my underarm very close to my rib cage an its been that way for 4 days an it hurts to breath,move,etc i cant do anything what do u think itmight be HELP PLEASE!!!!!!!!!!!!!!!!!