Palo Alto, Calif.-based Varian Medical Systems Inc. has won the U.S. FDA’s nod for its Ethos therapy, an artificial intelligence (AI)-driven holistic solution that is aiming to transform cancer care. This solution is designed to deliver an entire adaptive treatment in a typical 15-minute slot and is intended to put the patient at the center of care, noted Chris Toth, president of Varian Oncology Systems.