Table 9.
The top 20 keywords of top100 cited articles research.
| Rank | Label | Cluster | Occurrences | Percent(%) | Rank | Label | Cluster | Occurrences | Percent(%) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Immunotherapy | 2 | 13 | 0.14 | 11 | Ipilimumab | 1 | 2 | 0.02 |
| 2 | TME | 3 | 7 | 0.08 | 12 | Myeloid-derived Suppressor Cell | 1 | 2 | 0.02 |
| 3 | Cancer | 1 | 6 | 0.07 | 13 | Regulatory T Cell | 1 | 2 | 0.02 |
| 4 | Pd-1&pd-l1 | 2 | 5 | 0.06 | 14 | Adoptive T Cell Transfer | 3 | 1 | 0.01 |
| 5 | CTLA-4 | 1 | 4 | 0.04 | 15 | Atezolizumab | 2 | 1 | 0.01 |
| 6 | Cancer Vaccines | 1 | 2 | 0.02 | 16 | Cancer Therapy | 3 | 1 | 0.01 |
| 7 | Chemotherapy | 2 | 2 | 0.02 | 17 | CAR-T | 3 | 1 | 0.01 |
| 8 | Immune Checkpoint Inhibitors | 2 | 2 | 0.02 | 18 | CD223 | 3 | 1 | 0.01 |
| 9 | Immune Escape | 1 | 2 | 0.02 | 19 | Challenges And New Approach | 2 | 1 | 0.01 |
| 10 | Immune Regulation | 3 | 2 | 0.02 | 20 | Clinical Outcome | 2 | 1 | 0.01 |