Correction to: Radiation Oncology (2022) 17:213 https://doi.org/10.1186/s13014-022-02185-1

After publication of this article [1], the authors reported that (1) In Table 1, first column, under ‘RPA’, 3 lines should start with ‘1, 2, 3’, respectively (instead of ‘12, 3, blank’); (2) In 5 spots the value ‘x cm [3]’ should have read ‘x cm3’.

The original article [1] has been corrected.