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Contact Radiation Oncology

Call us at (425) 899-1860

4-Dimensional Respiratory Gating

Another unique feature of EvergreenHealth's state-of-the-art Varian Trilogy® linear accelerator is respiratory gating - the ability to time radiation treatment around your breathing.

This is a breakthrough for treatment of lung and breast cancers, where treatment must take into consideration the movement of the tumor during breathing.

And if the tumor is located on the left side of your chest, we want to shield your heart as much as possible from the radiation.

How it works

Two state-of-the art technologies—the GE 16 slice wide-bore CT scanner (used for treatment planning) and the Varian Trilogy's onboard image guidance system—are used before every radiation treatment to accurately measure your range of motion and the daily position of the tumor as you breathe. 

That allows us to customize the treatment field and choose the right position to fire the radiation beams during your  breathing sequence.

During treatment, the radiation beam is continuously turning on and off to synchronize the delivery of radiation with your breathing.

For more information

To learn more, or to schedule an appointment, call Halvorson Cancer Center Radiation Oncology at (425) 899-1860.

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