Helical tomotherapy and volumetric modulated arc therapy: New therapeutic arms in the breast cancer radiotherapy

Figure 2 Dose distribution in difficult to irradiate cases. A: Breast irradiation with HT in a patient with funnel chest (isodose 45 Gy); B: Breast irradiation with HT in a patient with unfavourable cardiac anatomy (isodose 45 Gy); C: Breast and nodes irradiation with VMAT in an obese patient with superposition of breast and nodes volumes (isodose 45 Gy). HT: Helical tomotherapy; VMAT: Volumetric modulated arc therapy.