Table 2 Positivity on IHC in 3 subtypes of human sarcoma tissues
From: Status of programmed death-ligand 1 expression in sarcomas
22C3 | SP263 | SP142 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Expression level | Expression level | Expression level | ||||||||||||||
N/A | Negative | Low | High | Positivity | N/A | Negative | Low | High | Positivity | N/A | Negative | Low | High | Positivity | ||
Whole | DDLPS (N = 32) | 25 | 4 | 3 | 7/32 (21.9%) | Not tested | ||||||||||
Osteosarcoma (N = 31) | 30 | 1 | 1/31 (3.2%) | Not tested | ||||||||||||
TMA | DDLPS (N = 33) | 5 | 28 | 0/28 (0%) | Not tested | 4 | 28 | 1 | 1/29 (3.4%) | |||||||
UPS (N = 100) | 40 | 48 | 6 | 6 | 12/60 (20%) | 49 | 42 | 4 | 5 | 9/15 (17.6%) | 8 | 77 | 8 | 7 | 15/92 (16.3%) | |