Jason R. Mills - Canaccord Genuity, Inc.
Analyst · Jason Mills with Canaccord Genuity. Please proceed with your question
Let me follow-up on the question on the Transcatheter Valve business for a second. I'm wondering – we all have, Mike, our guesstimates with respect to how the market is bifurcated from extremely high risk, intermediate risk, down to low risk. Some of the physicians that have published on it seem to think 60% or so in the low risk, intermediate maybe a third, and high and extreme risk maybe 10%. I'm wondering if you could maybe speak to that at this point. Given the volumes, it would imply that we are seeing some risk creep. I know you get the question a lot, but it would imply that you are. I guess the underlying question is, what sort of impact do you expect in the intermediate risk approval to actually have, whether it be in terms of patient acquisition, new center development or anything else? Thanks.
Michael A. Mussallem - Chairman & Chief Executive Officer: Sure. Thanks for the question, Jason. Yeah, I realize that it must be confusing for people that are following it. And part of it is that risk ratification happened by STS score, and it's traditionally been done that way. And over time here, we've seen that risk scoring has changed, and it's changed in two ways. One, just the way that STS evaluates the patients and their scoring system themselves, and the other is that heart teams themselves are playing a significant role in that and you know that they're bringing in play factors like frailty and anatomy that aren't captured in risk score, so age certainly being a key component of that. So, I think what you're seeing right now is just a different view of patients. They look at somebody today and say, well, I consider them high risk for surgery, knowing the kind of results that they get with transcatheter heart valves. I believe they're largely staying on indication as the NCD reinforces that, but we just have less precise estimates of what high risk, intermediate risk and low risk means compared to what we've had in the past. We continue to believe that the overall TAVR opportunity is more than $5 billion by 2021 and we're seeing that adoption. In terms of what's going to happen when intermediate is approved, I think a couple of things. We try to remind you that we're treating patients under the CAP today, the continued access program. And so that would stop when this began. And also, we tend to think that we'll see more or a ramp, if you will, a gradual ramp, rather than a step function when that approval takes place, so that's our expectation.