Fig. 4From: Adaptive planning based on single beam optimization in passive scattering carbon ion radiotherapy for patients with pancreatic cancerThe mean dose difference of accumulated dose in CTV1 V95 (a), CTV2 V95 (b), and GTV V95 (c) with AP-1, AP-2, TM, and BM. CTV1 doses were based on the first nine fractions. These differences are in respect to the original plan. TM, tumor matching; BM, bone matching; GTV, gross tumor volume; CTV, clinical target volumeBack to article page