Figure 2aFrom: Radiation therapy planning with photons and protons for early and advanced breast cancer: an overviewCumulative dose-volume histograms for the conventional photon (Conventional), the intensity modulated treatment (IMRT 1–2) and theproton (Protons) plans for the heart [33]. (B) Cumulative dose-volume histograms for the conventional photon (Conventional), the intensity modulated treatment (IMRT 1–2) and the proton (Protons) plans for the ipsilateral lung [33].Back to article page