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Fig. 4 | Radiation Oncology

Fig. 4

From: Optimization of treatment planning workflow and tumor coverage during daily adaptive magnetic resonance image guided radiation therapy (MR-IGRT) of pancreatic cancer

Fig. 4

OARs and target structures in one slice at simulation (a) and treatment fraction 9 (b-c) for one patient. The large bowel demonstrates a large change in volume and proximity to the PTV from simulation to treatment. Isodose lines are displayed for the conventional plan (b) and the OAR grouping plan (c). The OAR grouping plan demonstrates improved D100 and D95 coverage over the PTV, as well as isodose lines that are moderately more conformal to the PTV compared to those in the conventional plan

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