Scoping review search strategy Ovid Medline search strategy (2 January 2022)
| Searches | Results | |
| 1. | cancer.mp. | 1 953 928 |
| 2. | oncolog*.mp. | 198 380 |
| 3. | 1 or 2 | 2 037 054 |
| 4. | surgery.mp. | 2 848 733 |
| 5. | 3 and 4 | 317 280 |
| 6. | opioid.mp. | 123 308 |
| 7. | 5 and 6 | 1111 |
| 8. | monitor*.mp. | 1 073 758 |
| 9. | Follow-Up Studies/ | 678 247 |
| 10. | 8 or 9 | 1 724 632 |
| 11. | 7 and 10 | 101 |