Being a voice for people affected by cancer directly or indirectly is a calling Shannen takes seriously.  Even if it means sharing her own prognosis and the difficult decisions she's had to make along the way.In this episode, she is joined by her good friend and world-renowned Oncologist Doctor Lawrence Piro who explains thecomplexities of Stage 4 Cancer and how he and Shannen plan to beat it one treatment at a time.See omnystudio.com/listener for privacy information.