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Local RT increases PD-L1 tumour expression in RT field but has no
effect out of RT field
2 4 h rs7 2 h r7 d a y s2 4 h rs7 2 h r7 d a y s2 4 h rs7 2 h r7 d a y s2 4 h rs7 2 h r7 d a y s
0
1 0 0 0 0
2 0 0 0 0
3 0 0 0 0
A B A B
N o n T re a te d 5 x 2 G y R T
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P D -L 1 e x p re s s io n o nC D 4 5 - tu m o u r c e lls