Does Enlarged Uterus Cause Abdominal Pains And Dark Vaginal Discharge?

hi i have alot of brown discarge and alot of back pain with adminal pain as well it seems i have to go to the wash room every 5 mins my dr did a pap test last week and said that my uters was in larged do now what this could be all my friends say i could have canser and i should go to the hosptail for tests