PDCD1 and cancer: Brockwell N K, Owen K L, Zanker D, Spurling A, Rautela J, Duivenvoorden H M, Baschuk N, Caramia F, Loi S, Darcy P K, Lim E, and Parker B S, “Neoadjuvant Interferons: Critical for effective PD-1 based immunotherapy in TNBC,” Cancer Immunol.