Robotic Myomectmy August 2015, 3 Fibroids Removed. 35 @ Time

Robotic Myomectmy August 2015, 3 Fibroids removed. 35 @ time of procedure. Stump Tumor on 1 Fibroid. Gyn Oncologist said wait one year & not any longer than have Total Hysterectomy. I have no kids, reason why I was given a year... Now, constant bloating had U/s & Uterus is enlarged & Endometrium measures 15mm... Having Hysterectomy in March but do you think it's possibly Cancer? & No Fibroids or Cysts on u/s