What Causes Bright Colored Ovary Showed In PET Scan?

i have had a pet scan it showed a bright color in one of my overies could this mean other then cancer i have no symthoms i am 67 weight is 124 just had surgery for ruptured appendix and had to remove a small amount of colon also went into srs after surgery 2/2/2011 am almost healed from surgery now have an appt for the overy next week no more surgerys for me this is enough for a lifetime