Ovarian Cancer

i am 56 had a sub total hysterectomy about 10 years ago. I still have my ovaries and cervix.  For about a year now I’ve had chronic lower back pain.  This I thought was as a result of a back injury.  However for the past few months the back pain has been worse and I have experienced pelvic pain and a gnawing pelvic pain which is low down and feels gynae.  I am off for an mri on my back shortly so fingers crossed we find out soon.  Is anybody else experiencing chronic back and pelvic pain? My stomach is bloated and I suffer from constipation too.