If only it was as simple as that. In medicine a wrong diagnosis can have very bad real world consequences so 90% cheaper and 99% faster has a very real possibility of being a net negative.
There are lots of ways of lightening the load with AI aid, though without fully removing the need for human eyes.
Yes, and these are typically the best systems, where the doctor is assisted rather than replaced. I've looked at several over the last years and the comparison doctor+augmentation tool to doctor alone and tool alone is invariably superior. For now I think that is the most productive and the safest route.
For breast screening, this task is high volume and low prevalence and AI can help with radiologist burnout from increased caseload.