Recurrent lung cancer:
Symptomatic recurrence after radiotherapy has been successfully retreated with fractionated stereotactic radiotherapy, producing high rates of symptomatic relief with minimal complications (37, 38), though large doses delivered to the proximal pulmonary vessels or tracheobronchial tree are capable of producing severe or even fatal complications (37), mandating caution when treating mediastinal lesions. It should be noted that CyberKnife® radiosurgery with Synchrony respiratory tracking creates a more focal high dose region with a sharper margin than that created by the techniques described in these references, further reducing normal tissue complication risk with CyberKnife®. |
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 Image adapted from
"Robotic Radiosurgery" - First Edition |
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