Excellent news and a wonderful breakthrough; I am definitely glad IBM's Watson exist but was it really an AI that made this discovery? "...The system looked at

Excellent news and a wonderful breakthrough; I am definitely glad IBM's Watson exist but was it really an AI that made this discovery? "...The system looked at the woman’s genetic information and compared it to 20 million clinical oncology studies. After doing so, it determined that the patient had an exceedingly rare form of leukemia...." That sounds like an extraordinary search and data compare but did Watson create those search parameters on it's own to solve the problem or was Watson fed the parameters?