PDCD1 and neoplasm: MC38 UVR anti-PD-1 resistant tumors, like UVR controls, had significantly higher levels of Ccr5,21 22Il15,23 24 tumor growth factors (Tgfbr1, Tgfb2, Tgfb3, Tgfbr3), Il10ra and Il10rb, and higher Entpd127 compared with MC38 non-UVR anti-PD-1 resistant tumors (figure 3F, onlinesupplemental figure 4E ,  table 3).