I have a nipple lump it seems on my tissue ive had it for a year and now ive been so scared thinking its breast cancer or any cancer ...I all of a sudden now get dizzy headacke fever , shortneing in breath for a month or 2 ...and im really scared 2 see a doctor and i dont kno what it iz ...When ever i think of it my heart beats fast ...and everysecond of the day thats all i think of