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Subgroup characteristics of patients who received hypofractionation
| ASTRO-endorsed cohort | Directive-endorsed cohort | |
|---|---|---|
| T stage | T1-T2 | Tis-T2 |
| N stage | N0 | N0-Nmi |
| Age | ≥50 | No limit |
| Prior chemotherapy | No | No |
ASTRO, American Society for Radiation Oncology.
