Wiley Open Access, Journal of Applied Clinical Medical Physics, 1(20), p. 43-49, 2018
DOI: 10.1002/acm2.12475
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For the 1.5 T Elekta MR-Linac it is essential that the optimisation of a treatment plan accounts for the electron return effect on the planned dose distribution. The ability of two algorithms for the first stage fluence optimisation, pencil beam (PB) and Monte Carlo (MC), to produce acceptable plan quality was investigated. Optimisation time for each algorithm was also compared.