Figure 2From: Multi-institutional comparison of treatment planning using stereotactic ablative body radiotherapy for hepatocellular carcinoma – benchmark for a prospective multi-institutional studyDose volume histograms of case 4. (a) GTV, (b) PTV and (c) normal liver in the practice plan; (d) GTV, (e) PTV and (f) normal liver in protocol plan 1; and (g) GTV, (h) PTV and (i) normal liver in protocol plan 2.Back to article page