Living and Thriving with Stage4 Cancer With newer and better cancer treatments, people with stage 4 cancer (metastatic cancer)are now living longer, and better. In fact, many of these patients embrace their cancer journeys with a pro-active attitude. In this video, oncologist Dr. Stephen Lemon describes what stage4 cancer is and touches upon some of the recent treatments that are continuing to enable many people with this disease to live longer and thrive.