I have a history of breast cancer (2008 - lumpectomy and radiation, no chemo due to relatively clear lymp nodes) and am currently on Tamoxifen since Oct 2008. Have just had pelvic ultrasound, external and internal. Report says "bulky anteverted uterus with volume of 123cc. No fibriod, normal endometrium at 9mm." What is a bulky uterus and why would I have one? Also one of my ovaries is 1cc but the other 3.5cc. Should I be concerned?