– Feasibility of Deep Inhalation Breath Hold (DIBH)
– Dose-volume parameters for the ipsilateral lung, left anterior descending artery, contralateral breast and oesophagus.
– Reproducibility of the breath-hold.
– Guidelines for quality assurance for the use of DIBH.
– Resource requirements for DIBH
– Resource use: health care professional time, equipment and consumables required to plan and deliver one episode of DIBH
– Imaging Data: CT
– Anxiety Assessment Visual Analogue Scale (VAS): Pre and Post-treatment planning CT, Pre and Post each radiotherapy fraction
– Patient Reported Experience of Breath Hold Questionnaire (DIBH participants only): Pre and Post planning CT, Pre and Post the first fraction and last week of radiotherapy treatment
– Patient Reported Outcome Completion and Missing Data (CoMiDa) Checklist
– Approx Time Period of data collection: 2018-2019
Radiotherapy Quality Assurance
– 60 participants RTQA/Imaging Dataset: RT plan, RT delivery and Imaging documentation plus EPIs (DICOM format)
