Fig. 1From: Early stage non-small cell lung cancer treated with pencil beam scanning particle therapy: retrospective analysis of early results on safety and efficacyTypical dose distribution of CIRT (pencial beam scannning) (a) vs. X-ray based radiation therapy (RapidARC®) (b). CIRT significantly reduced the doses to the contralateral lung, heart, spinal cord, and the volume of low-dose area as compared to X-ray based arc therapyBack to article page