  Radiotherapy is an integral part of treatment for many patients with breast
cancer. However, side effects can occur, Example fibrosis or erythema. If
patients at higher risks of radiation induced side effects could be identified
before treatment, they could be given more individual information about the
risks and benefits of radiotherapy. We hypothesise that breast density is
correlated with the risk of side effects and present a novel method for
automatic evaluation based on radiotherapy planning CT scans.
