here some of these cancer genes are the same as the ones we've been looking at for breast cancer, braca one and two, palb two, check two, atm, these are ones we're already checking for breast cancer so there may very well be cancer genes and they're doing a bigger study on the prostate with 2,000 men involved to see. i may be able to say to a patient you're overweight, i got a lot of medical problems, i wouldn't normally send you for a robotic prostatectomy but because of that gene i better do it and once i send the patient to a urologist for the decision for a prostate x-ray, david, what would your point be after? once you biopsy the prostate how can genetics help you then? >> would you prophylactiall operate like angelina did? >> you may give someone radiation after surgery with these genes. if you know that somebody has real aggressive cancer and a higher chance of recurrence that the cancer will come back we may give radiation. the big thing about it here it's going to be a very tailored personalized screening as opposed to operating on everyone or just radiate everyone because we d