hi any one out there with this problem,? i have had for several years now, bad cough, now my right side started to hurt, doc gave a cat scan, it shows a spot on my lower left lung i have an appointment sep 5th at mayo hope they can figure this out i also have heart problems, two years ago open heart valve repalced now pace maker and diffib meds have caused some cough but changed and now little better should i worry about the spot ?? i fear it is cancer but they didnt say that ok thnaks.