Table 3.

Tumor PD-L1 expression (IHC) and tracer uptake in [⁸⁹Zr]Zr-DFO-KN035 immunoPET.

PD-L1 expression TPS (%)	Primary focus uptake at 54 h		Visualized number of metastases
	target-to-muscle ratio of SUVmax	Target-to-muscle ratio of SUVmean
40	2.10	1.49	9
40	4.49	2.58	6
60	8.03	4.87	12
30	20.50	10.42	15
20	4.74	2.97	9
70	8.02	5.24	7
40	4.95	2.81	4
15	14.09	10.08	9
60	5.57	3.49	7
70	6.91	4.25	4