So scared

I have been having women's issues for years and it took my local nhs dr to have a gyno dr join the practice to send me for a scan where I was diagnosed with fibroid / polyps I have suffered with heavy periods for years and been on HRT for 2 hrs abs have to lose the weight to have a hysterectomy then I was diagnosed with PCOS and endriodemitrius hadn't had a period for about 18 months then  got my monthly it was horrific so scared phoned 111 for advice as in discomfort and they sent an ambulance to check my vitals I wasn't admitted as I went through my Bupa gyno who had taken me off HRT suddenly at end of February. Now I am waiting to have a Biopsy on 17.06.21 to see if any precancerous cells and I'm terrified if I need surgery I'm very overweight and am terrified my body wont cope with it and I won't wake up nobody understands how scared I am.