Fig. 3From: Treatment planning and evaluation of gated radiotherapy in left-sided breast cancer patients using the CatalystTM/SentinelTM system for deep inspiration breath-hold (DIBH)Typical patient treatment setup: the trigger point on the sternum of the patient (red dot), the treatment beam visualized by light (green), the room lasers (red lines), the scanning light of the catalyst (blue) and video gogglesBack to article page