Can you explain the basic principles of radiotherapy and how it is used in cancer treatment? How do you ensure accurate patient positioning for radiotherapy treatment? What are some common radiation therapy techniques you are familiar with, and when might each be used? How do you ensure patient safety during radiation treatments? Can you describe the process of treatment planning for a radiation therapy patient? How do you handle situations when a patient experiences anxiety or discomfort during a radiation session? What measures do you take to minimize radiation exposure to both patients and staff? How do you handle equipment malfunctions or technical issues during a treatment session? What steps do you take to maintain the quality and accuracy of radiation equipment? Can you discuss your experience with different types of radiation machines and treatment modalities?