Should The Malignant Cyst In The Breast Be Removed?

BACK LAST APRIL I FOUND OUT I HAD BREAST CANCER, I HAD SURGERY IN MAY I STARTED RADIATION IN JULY. I AM THE 5TH PERSON IN MY FAMILY TO GET BREAST CANCER. I HAD 34 ROUNDS OF RADIATIONS, I HAD 2ND DEGREE BURNS ALL OVER MY BREAST, I GOT TO WHERE I WOULD GET CHOCKED ON MY MEDICINE I HAD A ULTRASOUND DONE THE 1ST OF DEC. THE REPORT CAME BACK THAT I HAVE 1.8 * 0.7CM THEN IT SAYS I WOULD BE MORE CONCERNED IF IT ENLARGES OR BECOMES MORE SYMPTOMATIC. I TOLD MY CANCER DR IF I HAD SOMETHING IN ME THAT WASN T SUPOST TO BE THERE I WANT IT OUT. IT HAS BEEN 3 MONTHS, I FEEL LIKE NO ONE CARES. TELL ME WHAT YOU THINK I SHOULD DO PLEASE?