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Brainstorm AI London 2024: Boosting Breast Cancer Detection
Fortune
Follow
4/16/2024
Presenter: Dr. Peter Kecskemethy, Co-founder and CEO, Kheiron Medical Technologies
Category
🤖
Tech
Transcript
Display full video transcript
00:00
Thank you very much.
00:00
It's an absolute privilege to be here.
00:03
And I thought about that probably everyone here
00:08
has heard a lot about what AI could do,
00:12
what the risks could be, how it could be bad for humanity,
00:15
how it could be good for humanity.
00:17
But I'm bringing you slightly different things today.
00:20
And that is a very good news story,
00:23
how AI in practice is actually bringing impact right now,
00:27
today.
00:28
It's not a future, it's not a hypothesis.
00:30
It's actually what's happening now.
00:31
And I'm also going to bring you a secret, hopefully,
00:33
that you can take away from today,
00:36
and maybe a bit of motivation.
00:37
So let's get into that.
00:40
So my company, Chiron, has developed an AI called
00:45
Mia that is supporting doctors in early detection,
00:49
specifically breast cancer screening at the moment.
00:52
And that has got quite a bit of news coverage.
00:57
We were on the front page of the New York Times.
00:59
We were also named after our results
01:02
to be one of the seven biggest breakthroughs of 2023,
01:05
next to CRISPR and messenger RNA.
01:07
So in good company.
01:09
And there's a very good reason why that is the case.
01:13
One of the reasons is we are solving a very hard problem.
01:17
People may not know that breast cancer screening is very, very
01:19
complicated as a diagnostic task.
01:22
It's so complicated, some people say
01:24
it's like finding a snowflake in a snowstorm.
01:27
And actually, the practice of medicine
01:29
covers that, pretty much reflects it.
01:32
Most countries, outside the US, two doctors
01:36
are required to look at every single mammogram, so basically
01:38
every single image that is done for breast cancer screening.
01:42
And even with two doctors, we get at least 20%
01:45
of the cancers missed.
01:47
That means at least every fifth cancer gets missed.
01:50
That's like the best we can do across the globe.
01:52
And in some places, over 70% of the cancers get missed.
01:55
This is the best we are doing in screening right now
01:59
as humanity.
01:59
And you can see a couple of examples
02:02
of a hard case on the left and a hard case on the right.
02:05
On the left, a cancer was missed.
02:07
And on the right, a lot of the times
02:09
the doctors look at all the little tiny nodules
02:11
and they're thinking, OK, which one of these
02:13
is potentially a cancer, which one is not?
02:15
It's extremely hard.
02:16
Some people call it magic sometimes.
02:19
So what can AI do?
02:22
I'm going to talk you through this particular case.
02:26
This is an actual case where a woman went for breast cancer
02:30
screening regularly, so did the best she could do,
02:35
multiple years, and she died of breast cancer.
02:39
And she died of breast cancer because the cancer was not
02:41
picked at the last screening.
02:43
It was not picked up two years before.
02:45
And it was also not picked up four years before.
02:47
Every single time, missed by two doctors.
02:50
This is reality.
02:52
And what can the AI do?
02:54
The AI-- we ran the AI on many thousands, hundreds
02:58
of thousands of cases.
02:59
What the AI could do is find it at the last screening,
03:02
find it two years before, and find it
03:05
on the case for four years before.
03:06
So this could have been over four years earlier detection.
03:10
And we know that when breast cancer is detected early,
03:13
it's over 90% chance that a patient survives.
03:17
That could have been practically a life saved with AI.
03:20
So that's the impact what we can have on a single patient.
03:24
So let's see, what does it mean in reality?
03:27
So what you see here is how a doctor
03:30
looks at a particular case.
03:33
This is a medium complexity case.
03:35
It's not like a high complexity case.
03:37
You see a couple of nodules, but also it's relatively clean.
03:41
In this particular case, again, two doctors missed the cancer,
03:45
and the AI found the cancer.
03:47
This is not a very, very hard case.
03:49
This is a medium case, but the doctors
03:51
have to go through hundreds and hundreds of cases every day.
03:53
There's just not enough energy or attention for the doctors
03:56
to do their jobs well unless they get good tooling,
03:59
good help.
04:00
And I believe AI is one of the fundamental ways we can help.
04:06
In fact, that's exactly what we have shown in live use.
04:09
So what does it mean?
04:12
It means we can have extremely strong impact on a patient,
04:17
on the life of a single patient.
04:19
It also means, because we're talking about software,
04:23
this is automatically scalable.
04:24
You bring a piece of software, a box, to a hospital,
04:27
and you can help doctors start saving more lives.
04:30
That's practically what we're talking about.
04:32
And so roughly the impact that we
04:34
could have that Chiron is focusing on
04:36
is scaling it across the globe.
04:38
So we're estimating we can probably
04:40
help doctors save about 2,000 to 3,000 lives
04:43
every single year in the UK.
04:45
40,000 to 60,000 lives in the US, and hundreds of thousands
04:49
across the globe.
04:51
This is a piece of software that you bring across completely
04:54
scalably right now today.
04:56
And this is not a hypothesis.
04:57
This is based on actual evidence, actual results
05:02
that we have right now in multiple clinical trials
05:05
and multiple assessments across the globe.
05:10
So why is this big?
05:13
Why is it different from the past?
05:15
Actually, computer science and computer vision
05:17
has been used a lot, or at least there
05:20
were a lot of attempts to be used for breast cancer
05:23
screening, but not with too much success.
05:26
And there's a couple of reasons for that,
05:30
but I'm going to talk you through how we had
05:34
a slightly different approach.
05:37
We took two things extremely seriously.
05:39
And I think the importance here is
05:40
what can you learn from that?
05:41
How can you translate it to how you use AI
05:44
or how you develop AI?
05:46
And the two components of that is taking AI seriously,
05:50
that it's a very different type of technology
05:52
than humanity had before, and taking the domain seriously.
05:55
We're talking about a domain where any kind of decision
05:59
impacts a life, either way.
06:03
Either you can over-diagnose or you can potentially
06:06
miss a cancer.
06:07
So taking the AI seriously and taking the domain seriously
06:11
means that you need to collect a lot of data.
06:13
You need to have extreme level of validation.
06:16
I just need to make sure that when the software goes
06:19
to health care, that you're actually
06:21
impacting everyday the patients and the doctors.
06:24
It has a positive impact rather than a negative impact.
06:27
So if you want to know the details,
06:29
you can look it up.
06:31
I have a number of papers in Nature published,
06:34
and also a number of other publications.
06:37
But I'm just going to distill for you
06:39
some of the secret sauce that I believe we all
06:41
need to think about.
06:43
So hopefully, you can use that in your everyday practice.
06:48
And the secret here is that AI is not just a model.
06:52
You have a good model that you think is good,
06:55
is not going to necessarily-- or most likely--
06:58
not going to succeed in practice.
07:00
AI is a type of technology that we have never
07:02
had before as humanity.
07:04
Like, if you have a piece of hardware or software,
07:07
you know what it's used for.
07:08
You test it in a lab, and pretty much that's
07:10
how you're going to use it in everyday practice.
07:13
Your software, AI, specifically, it's
07:16
designed to be able to be intelligent and good on input
07:21
and in circumstances that it has never seen before.
07:24
This is a completely different-- that's
07:26
the difference between AI and other technologies.
07:29
So what does it need?
07:31
Of course, the models need to be good.
07:33
It needs to be good in the lab.
07:34
But also, it needs to be good wherever else you want to use
07:37
it.
07:38
So the algorithms have to be good.
07:39
OK, fine.
07:40
Whenever-- but we need to validate that, again,
07:44
both in the lab as well as in real world use.
07:47
However, we never know, because it's a black box,
07:49
whether it still generalizes.
07:50
Does it still work if I bring it to a specific hospital?
07:54
You need to validate that locally in deployment.
07:56
So that's the deployment stage.
07:58
And also, because it's a black box, it might work one day,
08:00
but it might not work next week, or might not
08:02
work a month or a year later.
08:04
You need to keep monitoring that it is still
08:06
providing the same performance.
08:08
So you need four things for AI to work in practice.
08:10
You need to get the algorithms right.
08:12
You need to validate it.
08:13
You need to make sure it works in practice,
08:17
both upon deployment as well as over time.
08:20
So please, please, if you are impacting lives
08:22
or you're having some kind of very, very important impact
08:26
with AI, do you make sure all of those work?
08:28
Because all of those are covered.
08:29
Otherwise, it's not going to be very good.
08:32
So after that, I'm actually going
08:34
to leave you with the words of one doctor and one patient who
08:39
can tell you about what it means for them
08:43
having used the AI in the UK.
08:46
[VIDEO PLAYBACK]
08:48
- I remember when I was a child, they
08:49
were saying they would eventually
08:50
find a cure for cancer, but it will take a long time.
08:54
And this is-- it's all just progression
08:56
down the right road.
08:57
- We read 5,000 mammograms a year.
09:03
There is a lot of pressure on the service.
09:06
I have starved shortages.
09:08
People are burnt out.
09:10
We have to make our decision first.
09:12
Then we are allowed to see the opinion of me.
09:15
So we press the little button.
09:16
It opens up and shows us yellow circles.
09:19
It says, can you have a second look here?
09:21
- I was quite surprised to hear back from them.
09:24
The penny didn't drop immediately
09:26
until they said they had found a very small amount of cancer.
09:31
And they said it wouldn't have been picked up by the human eye.
09:34
It was too small.
09:35
But the computer earmarked it, and that's how they found it.
09:40
- At the moment, we are using the AI in an evaluation process.
09:43
So we haven't integrated it fully into the system.
09:47
We have modeled that if we did have
09:49
the AI in our workflow, that would be a big difference
09:52
because it would make our turnaround time go from probably
09:54
14 days at the moment down to three days.
09:57
The technology helps move us forward.
10:00
This is the beginning.
10:01
Large scale, we can make a difference.
10:04
- It's a lifesaver, a life changer.
10:08
- So I will just leave you with that.
10:11
I think when we have enough evidence that AI works,
10:13
it's actually our moral obligation to use it.
10:16
Sometimes we need to be very careful.
10:18
Sometimes we need to go through all the steps to validate it.
10:21
But when we do, and it can have a very strong impact,
10:24
we need to actually use it.
10:25
And if you want to learn more, feel free to contact me.
10:28
[APPLAUSE]
10:29
[MUSIC PLAYING]
10:33
[BLANK_AUDIO]
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