Table 3.
PD-L1 expression in tumor, lymphocytes and macrophages by histology
| Histology | n (%) |
Tumor PD-L1 expression |
Lymphocyte infiltration |
Lymphocyte PD-L1 expression |
Macrophage infiltration |
Macrophage PD-L1 expression |
|---|---|---|---|---|---|---|
| Angiosarcoma | 3 | 0 | 3 (100%) | 3 (100%) | 3 (100%) | 3 (100%) |
| Clear Cell Chondrosarcoma | 1 | 0 | 1 (100%) | 0 | 1 (100%) | 1 (100%) |
| Chordoma | 1 | 0 | 1 (100%) | 0 | 1 (100%) | 0 |
| Dedifferentiated Liposarcoma | 2 | 0 | 2 (100%) | 1 (50%) | 1 (50%) | 1 (50%) |
| Desmoid | 2 | 0 | 2 (100%) | 0 | 2 (100%) | 2 (100%) |
| Epithelioid hemangioendothelioma | 1 | 0 | 1 (100%) | 0 | 1 (100%) | 1 (100%) |
| Extraskeletal myxoid chondrosarcoma | 2 | 0 | 2 (100%) | 0 | 2 (100%) | 1 (100%) |
| Gastrointestinal stromal tumor | 14 | 4 (29%) | 14 (100%) | 7 (50%) | 13 (93%) | 7 (50%) |
| Leiomyosarcoma | 4 | 0 | 3 (75%) | 0 | 3 (75%) | 1 (25%) |
| Malignant Peripheral Nerve Sheath Tumor | 1 | 0 | 1 (100%) | 0 | 1 (100%) | 1 (100%) |
| Myoepithelial tumor | 1 | 0 | 1 (100%) | 0 | 1 (100%) | 0 |
| Myxofibrosarcoma | 1 | 0 | 1 (100%) | 0 | 1 (100%) | 1 (100%) |
| Myxoid Liposarcoma | 2 | 0 | 2 (100%) | 0 | 2 (100%) | 2 (100%) |
| Pleomorphic rhabdomyosarcoma | 1 | 0 | 1 (100%) | 0 | 1 (100%) | 1 (100%) |
| Primitive Neuroectodermal Tumor /Ewings | 1 | 0 | 1 (100%) | 0 | 1 (100%) | 1 (100%) |
| Radiation-associated pleomorphic sarcoma | 1 | 1 (100%) | 1 (100%) | 1 (100%) | 1 (100%) | 1 (100%) |
| Rhabomyosarcoma | 1 | 0 | 1 (100%) | 1 (100%) | 1 (100%) | 1 (100%) |
| Solitary Fibrous tumor | 2 | 0 | 2 (100%) | 0 | 2 (100%) | 1 (50%) |
| Spindle cell sarcoma | 3 | 1 (33%) | 3 (100%) | 0 | 2 (67%) | 2 (67%) |
| Synovial sarcoma | 5 | 0 | 5 (100%) | 2 (40%) | 5 (100%) | 1 (20%) |
| Well differentiated liposarcoma | 1 | 0 | 1 (100%) | 0 | 0 | 0 |
| TOTAL | 50 | 6 (12%) | 49 (98%) | 15 (30%) | 45 (90%) | 29 (58%) |
Abbreviation: PD-L1 programmed death ligand -1