So Far AI has not had a big impact on Medical Diagnosis even after IBM spent billions

Can artificial intelligence lead to better cancer treatments? IBM spent six years and billions of dollars trying to find out.  

WSJ reports: "Oncology won’t be “a great space for making [AI] products” until there’s better data about patients, spanning genetic, environmental, lifestyle and health information, said Bob Kocher, a medical doctor and partner at venture-capital firm Venrock in Palo Alto, Calif. In the near term, most of the benefits from AI in the health-care field will come in administrative tasks such as billing, he added.