IL6 and posterior cortical atrophy: Importantly, as STAT3 signaling is central to transduction of signals from both IL-10 and IL-6 family cytokines as well as IFN, all key factors that shape the outcome of antigen presentation and effector T cell responses as well as PCa cell survival, it most certainly is a key driver of immunosuppression and tumor survival not just in PCa but for all malignancies.