Table 1.
Summary of ESMO and NCCN guidelines for bone sarcoma surveillance intervals as well as the protocol used at our institution over the course of this study
| Guideline | Grade | 0–2 years | 3–4 years | 5–10 years | > 10 years |
|---|---|---|---|---|---|
| ESMO | Low | 6 months | 12 months | ||
| High | 2–3 months | 2–4 months | 6 months | 6–12 months | |
| NCCN | Low | 6–12 months | 12 months | ||
| High | 3–6 months | 12 months | |||
| Study protocol | Low | 6 months | 12 months | ||
| High | 3 months | 6 months | 12 months | ||
ESMO = European Society for Medical Oncology; NCCN = National Comprehensive Cancer Network.