Long term follow-up on NRG Oncology RTOG 0915 (NCCTG N0927): A randomized phase II study comparing 2 stereotactic body radiation therapy schedules for medically inoperable patients with stage I peripheral non-small cell lung cancer

The final result of XXXX, a randomized lung stereotactic body radiotherapy (SBRT) trial of 34 Gy in 1 fraction (arm 1) versus 48 Gy in 4 fractions (arm 2), was that 34 Gy emerged as the least toxic yet equally efficacious regimen. Long-term follow up results show no change by arm in toxicity rates or tumor control with time for similar median survivals, supporting the study's original conclusions.

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