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Figure 1 | Radiation Oncology

Figure 1

From: Simultaneous integrated boost radiotherapy for bilateral breast: a treatment planning and dosimetric comparison for volumetric modulated arc and fixed field intensity modulated therapy

Figure 1

Beam arrangements, isocentre position and targets localization for IMRT and RapidArc. For RapidArc, two arcs, rotating in opposite directions, are delivered in sequence, each arc aiming to geometrically cover primarily either left (red arc) or right targets (blue arc). For IMRT a similar approach was followed. Six fixed gantry field aimed to geometrically cover left targets (red lines showing the central beam axes) and the other 6 (blue lines) the right targets.

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