Aspects of the invention relate to methods of treatment, and to kits and systems for the same including materials for determining that an individual is susceptible to cancer and if warranted treating the patient of cancer or initiating a monitoring strategy and/or taking a preventive action. Therapeutic and preventive interventions include, treating the patient with a PARR inhibitors and/or laprascopic oophorectomy. The invention also relates to systems and methods of genotyping an individual, and to methods of identifying a patent with a higher than normal likelihood of developing cancer and/or genetically related individuals or groups at heighten risk for developing cancer, particularly ovarian cancer.
