Correction to: Radiat Oncol 15, 187 (2020)

https://doi.org/10.1186/s13014-020-01629-w

Following publication of the original article [1], the authors identified an error in the order of Figs. 2 and 3. The correct representation of figures is provided below.

The original article [1] has been corrected.

Fig. 2
figure 1

a ORFIT open face mask together with a T-shaped vacuum bag, b Catalyst HDTM in kV-MV setup using the ExaFix-3 baseplate and c in setup at couch 0°(3 cameras are indicated with arrows). The cropped surface image (d) is extracted from the patient’s open face mask (e). Image courtesy of MAASTRO Clinic, Maastricht, The Netherlands

Fig. 3
figure 2

Positioning of a DIBH patient. Left: Positioning of the patient using the reference surface (purple) and the live surface data. Right: Monitoring of the DIBH during treatment on a highlighted (green) ROI. The breathing curve is depicted on the bottom. Image courtesy of Heidelberg University Hospital, Germany