<p>Supplemental Tables S1-S4: Ex vivo biodistribution of 89Zr-malDFO-169 cDb in wt and CD8-blocked ARK mice (S1); Ex vivo biodistribution of 89Zr-malDFO-169 cDb in the adoptive T cell transfer model (S2); Ex vivo biodistribution of 89Zr-malDFO-169 cDb in the anti-CD137/CT26 immunotherapy model (S3); 89Zr-malDFO-169 cDb ex vivo biodistribution analysis at 22 h post-injection of anti-PD-L1 partial responding (S4).</p>