I think these machines will not be able to give 100% accurate result. In studies of this type there will always be errors. But even if this percentage of accuracy is high, then this will benefit humanity.
Do not treat as simple the possibility of early and instant diagnosis, many people would give a lot to have this opportunity and identify the diseases of those who left at an earlier stage, I see potential for the possibility of efficient application and certainly for what it can provide many to the around the world