In menopause 2 years had hysteroscopy 11/19 for polyp results were normal last year lining 5.1 this year 6.8 with fluid in culdesac i am scared is this bad?

By UpToDate: "the incidence of EH without atypia was highest in patients ages 50 to 54 years (between 142 and 213 per 100,000 woman-years) whereas the rate of EH with atypia was highest in patients ages 60 to 64 (56 per 100,000 woman-years)". Atypia means abnormal or atypical endometrium which could be precancerous. Small fluid in cul de sac isn't uncommon. Biopsy is indicated if you have bleeding