Fig. 1From: HyperArc VMAT planning for single and multiple brain metastases stereotactic radiosurgery: a new treatment planning approachComparison of beam arrangements and isodose distributions between conventional volumetric modulated arc therapy (C-VMAT) and HyperArc VMAT (HA-VMAT) plans for patient #23. The red, orange, yellow, green, blue, and purple lines indicate isodose lines of 20, 16, 10, 6, 4 and 2 Gy, respectivelyBack to article page