Ovarian cancer is a malignant growth arising from the ovary. In the US almost 20,000 cases of ovarian cancer were reported in 2006. Symptoms may include: bloating, pelvic pain, abdominal pressure, abdominal fullness, swelling, persistent indigestion, change in bowel habits such as constipation, change in bladder habits such as frequent need to urinate, increased abdominal girth and low back pain.