i have had a lump just above my left collor bone for 8 or so years i went to the doctors when i first noticed they sent me to see a specialist who sent me for xray it came back clear he then said it was ok but i feel now that only by an xray how could he now that it was ok he said he has felt loads of lumps in his time and for me not to worry i now its been a long time but i still worry