Set-up errors to patient comfort in radiotherapy – a journey of discovery

Accuracy in positioning and immobilisation is fundamental in radiotherapy to ensure precise delivery of radiation to the intended target while minimising exposure to surrounding healthy tissues. The study and critique of accuracy or set-up errors across anatomical cancer sites is well established and has driven technique development for many years. Although patients positioned for radiotherapy may seem immobile, significant uncertainty remains. Small deviations in set-up error in the cranium, head and neck can have substantial consequences for patients, leading to increased toxicity. Specifically, patient (dis)comfort was identified as a knowledge gap, serving as the primary driver for my PhD research.

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