I HAD BREAST CANCER 9 YEARS AGO, AND EVERYTHING HAS BEEN FINE, I DID 8 ROUNDS OF CHEMO, AND 33 ROUNDS OF RADIATION, BUT YESTERDAY I WENT FOR MY MAMOGRAMS AND THEY CALLED THIS MORNING AND WANT ME TO COME IN BECAUSE THEY SAW A NODULE THAT THEY WANT TO CHECK OUT IN MY RIGHT BREAST, I HAD BREAST CANCER IN MY LEFT BREAST, WHAT IS A NODULE???