What Do Multi-septated Complex Cystic Structures In Left Adnexal Area On CAT Scan Denote?

cat scan shows multi septated complex cystic structures in left adnexal area 9. x 6cm; second in midline extending just to right 3.4 x 4cm. History of materal grandmother died at 37 of ovarian and breast cancer and great grandmother of breast cancer. Had hysterectomy in 1999 but left ovaries. Does ovarian cancer start with complex cysts and what is the treatment for these cysts as my appt is Tuesday (age: 44, 5'7, 230lbs)