sort of imaging, cat scan most likely, to find anything that was in there, whether it be a renal carcinoma or a myelypoma. she probably had some sort of symptoms. it would feel like a pain in the lower back, a kidney stone, something of that nature. it's not the sort of thing where you discover it and say, you know, my goodness, i have to go to the hospital. you would have had probably some indication that you had a problem and gone through a work you'd, which would get you to where you are. just this embolization therapy, many people might be familiar with it for uterine fibroids. much less common with the kidneys. similar technique, neil. >> neil: thanks, john roberts. as he pointed out, the president is there now at walter reed with his wife. on the phone with u.s. have david from new york. thanks for being here. >> thank you. >> neil: this looks like a preplanned event to have this taken care of. is this your first read of it? >> neil, it doesn't necessarily need to be preplanned finding. a lot of times what we're finding is incidental findings where someone may have vague symptoms, na