Traditional external markers in lung cancer radiation therapy don’t account for baseline shifts of the tumor throughout the course of the treatment sessions. Symmetry captures image data during the breathing phase and performs sophisticated computations to provide 4D data. This data helps visualize the tumor position in each phase of the respiratory cycle to arrive at an average position of the tumor for each treatment.
The benefits are an accounting of baseline shifts and the ability of the physician to treat using reduced margins around the tumor by virtue of enhanced knowledge of the tumor’s position on a day-to-day basis.
Note: Symmetry is a feature set of XVI.
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At the forefront of clinical advancements, Elekta has been instrumental in delivering techniques like IGRT, IMRT, VMAT as well as SBRT and SRT. These techniques have given clinicians the flexibility to deliver conventional therapies to treat a wide range of tumors throughout the body, while also enabling treatment of highly complex cancers that require extreme targeting precision.