Fallopian Tube Cancer
Cancerous epithelial tumors-These are the most common and most dangerous of all types of ovarian cancers, accounting for 85 to 90 percent of all cancers of the ovaries.
Thirteen to 21 percent of these cysts turn out to be cancerous. You may need the cyst removed if it's growing too large, is painful, or is causing some other problem.
early symptoms of ovarian cancer may include: abdominal pain or bloating,constipation,increased urination,back pain,fatigue,heartburn and feeling full quickly.