Very small differences in the way a patient lies during radiotherapy treatment for lung or esophageal cancer can have an impact on how likely they are to survive, according to research presented at the ESTRO 37 conference.
https://www.news-medical.net/news/20180423/Slight-changes-in-patients-position-during-radiotherapy-may-impact-survival-chances.aspx
Slight changes in patient’s position during radiotherapy may impact survival chances