Fig. 1: Preclinical experimental set-up.

Timeline of the in vivo experiments: tumor cell inoculation, treatment (anti-PD-L1 mAb or isotype mAb), [18F]FAC-PET/MRI and ex vivo analyses.

Timeline of the in vivo experiments: tumor cell inoculation, treatment (anti-PD-L1 mAb or isotype mAb), [18F]FAC-PET/MRI and ex vivo analyses.