

Use of SABR for central tumors
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Dahele M, Acta Oncol 2015
23 of 30 European centers treat centrally located tumors (defined as within 2cm of central mediastinal structures)
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ESTRO ACROP guidelines, Guckenberger, Radioth Oncol 2017
SBRT of centrally located tumors practiced routinely by most faculty (agreement 87.5%)
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ASTRO guidelines. Videtic GM PRO 2017