How is what you linked a business process? Cancer identification is a step in a larger process, specifically the "analyze unstructured data" part that the author alludes to.

AI won't take a shoddy process (say, your process for reviewing and accepting forms from patients) and magically make it better if you don't have an idea of what "better" actually entails.

"Improving a system requires knowing what you would do if you could do exactly what you wanted to. Because if you don't know what you would do if you could do exactly what you wanted to, how on earth are you going to know what you can do under constraints?"

- Russ Ackoff