Multiple Oncological Serial Scans Study

Consenting patients who have undergone breast conserving surgery and who are planned to receive radiotherapy will have their first MRI and CT scan within 2 weeks of treatment planning. This will be followed by 3 weeks radiotherapy treatment. 3D ultrasound scans will be performed in the first 2 weeks before radiotherapy, during the 2nd and 3rd weeks of radiotherapy and in the 2 weeks following radiotherapy.Following the radiotherapy patients will undergo both CT and MRI scans within 2 weeks of treatment completion.The whole process should take approximately 10 weeks.In this study the CT scans, MRI scan + USS are above standard care and are the additional interventions in this study group.