What Does Thick Endometrium With Cystic Hyperplasia Suggest?

64 yrs old, 168lbs 5'7 Post menopausal sporadic bleeding and discharge. Uterine size 8.3x3.6x5.5 Abnormally thickened endometrium, features suggesting cystic hyperplasia. Endometrium is almost isoechoic with the myometrium may measure as much as 1.6 to 2.4 cm. The ovaries are not identified. No adnexal abnormalities are demonstrated (however on the ultrasound, there a note LT=+ prom. vessels adnexa What does this mean?