Last year, Shannen opened up about the possibility of her cancer coming back, saying, “As every single one of my fellow cancer family knows, the next five years is crucial. Reoccurrences happen all the time. Many of you have shared that very story with me. So with a heart that is certainly lighter, I wait.” Last year, Shannen opened up about the possibility of her cancer coming back, saying, “As every single one of my fellow cancer family knows, the next five years is crucial. Reoccurrences happen all the time. Many of you have shared that very story with me. So with a heart that is certainly lighter, I wait.”