CD8A and cancer: The key role of cDC1s in anti-tumor immunity is in part attributed to their ability to transport tumor antigens to draining lymph nodes and prime cancer-specific CD8+ T cells (Alloatti et al., 2017; Broz et al., 2014; Roberts et al., 2016; Salmon et al., 2016; Spranger et al., 2017; Theisen et al., 2018).