Table 2. Summary of the Optimal Assessment Schedules After Definitive Treatment of Locally Advanced HNC.
| HNC type | Phase (time) since treatment end | ||||
|---|---|---|---|---|---|
| Close (≤6.0 mo) | First (6.0-16.5 mo) | Second (16.5-25.0 mo) | Third (25.0-99.0 mo) | Open (>99.0 mo) | |
| Nasopharynx | Response evaluation and close follow-up | 6.1 | 10.8 | 26.5 | Open follow-up |
| HPV-positive oropharynx | 7.7 | 13.7 | 33.7 | ||
| HPV-negative oropharynx | 2.7 | 4.8 | 11.8 | ||
| Hypopharynx | 2.1 | 3.7 | 9.1 | ||
| Larynx | 3.2 | 5.6 | 13.8 | ||
Abbreviations: HNC, head and neck cancer; HPV, human papillomavirus.