Table 2.
PD–L1 expression in tumor tissue and CTCs. Results from cases with ≥ 3 CTCs and available matched tumor tissue are presented. Concordant cases are highlighted in green (TPS: tumor proportion score).
| Pat.ID | Tumor Site | Date of tissue Biopsy (Month/Year) |
Date of Liquid Biopsy (Month/Year) |
PD–L1positive Cells in Tumor Tissue (TPS %) |
PD–L1positive CTCs (%) |
Time between Tumor and Liquid Biopsy (Months) |
|---|---|---|---|---|---|---|
| BC-003 | breast | December/2017 | December /2017 | 0 | 8 | 0.4 |
| BC-006 | breast | December /2017 | January/2018 | 0 | 20 | 1 |
| HNC-012 | oral cavity | September/2017 | September /2017 | 70 | 100 | 0.4 |
| HNC-018 | oral cavity | July/2016 | January /2018 | 0 | 0 | 19 |
| HNC-019 | oral cavity | September /2017 | January /2018 | 0 | 45 | 5 |
| HNC-020 | hypopharynx | January/2017 | January /2018 | 5 | 100 | 12 |
| HNC-026 | hypopharynx | December./2016 | Mar./2018 | 0 | 0 | 15 |