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. 2017 Apr 11;12(4):e0175589. doi: 10.1371/journal.pone.0175589

Fig 4. A comparison of dose distribution between carbon-ion radiotherapy and photon therapies in a representative case.

Fig 4

(A) Left: The dose distribution of three-dimensional radiotherapy (3DCRT). Right: The dose distribution of intensity-modulated radiotherapy (IMRT). The irradiated volume of the carbon-ion radiotherapy (See Fig 1B) was smaller compared with those of the photon therapies. (B) Dose-volume histograms of the planning target volume (PTV; red) and lung (yellow) for the carbon-ion radiotherapy (solid line), IMRT (dashed line), and 3DCRT (dotted line). RBE, relative biological effectiveness.