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Lifetime attributable risks (LAR) assuming an 8 y old female patient with an expected attained age of 75 y based on EAR for various organs in the OFV. The treatment site was next to the spine, close to T12. The data are averaged over six treatment fields with an average diameter of 6 cm. Risk estimations are based on EAR low-dose risk formalism by BEIR (2006). Close circles: IMRT delivery; open circles: passive scattered proton delivery.
