Biopsy imminent, been told I may have stage 3 ovarian cancer

Hi this is the first time I have posted feeling a little nervous , I went to the dr because I thought I had a hernia and he sent me for a scan which then kicked off another scan internal and external and blood tests,and of course mri and ct. they found a mass on my ovary my ca125 level was over 4000 and they think that I have stage 3 ovarian cancer I have a biopsy booked for 30th of may and I am so scared now i am numb ...