Inoperable primary non-small cell lung cancer or other metastatic primaries with lung metastases, already treated with radical dose SBRT
Inoperable local recurrence (defined as a tumor recurrence overlapping the 50% isodose field) confirmed by documented radiographic findings and/or pathological biopsies within the thoracic area
Patients had previously received curative intent SBRT with a biologically equivalent dose equal or higher than 75 Gy
Stereotactic reirradiation with ablative purposes up to 8 fractions
No active distant metastasis or controlled distant metastasis at the time of re-irradiation
More than 12 months from previous SBRT
PS ≤ 2
You may not be if
Previous conventional RT
Reirradiation with palliative doses
Reirradiation with conventionally fractionated or mildly hypofractionated RT