reporter: that s not to say ai will replplace radiolologists. but the research team in massachusetts believes sybil s assistance is the future of the field. is ai going to save lives? yes, it will save lives, because it will enablele us to do o more, see more a and manage e better than we did without ai. reporter: clinical trials for sybil are ongoing. fda approval likely years away. and while doctors are still studying the technology, don roberts, who is now cancer-free, believes technology like sybil could help him live longer. you need every weapon you can possibly get to combat cancer, and ai could be a powerful one? absolutely. reporter: dr. john torres, nbc news, boston. when we come back, we ll hit the ramps and the rails with tony hawk, the navajo nation and the skate park inspiringng the america. g] dramaticic music yeyes! hohon! the e weathertecech s here.. weatathertech isis the ultime prototection foror your vehi.