PO-1460 Phase III trial of esophagus-sparing palliative spine irradiation - QA of dosimetric parameters. (May 2022) - Mann Nielsen, A.; Storm Smedegaard, K.; Dreyer Teller, M.; Behrens, C.; Sibolt, P.; Riise Pedersen, M.; Pappot, H.; Vogelius, I.; Suppli, M.; Persson, G.