CD274 and neoplasm: We fixed the first treatment time at day 5 post tumour cell injection and applied treatment using different timing schemes: (1) α-PD-L1 Ab followed in 2 days by VV treatment; (2) VV treatment followed in 2 days by α-PD-L1 Ab therapy; and (3) simultaneous administration of both α-PD-L1 Ab and VV.