Radiation Therapy

Medical radiation therapy is a cornerstone of modern cancer treatment, with approximately half of patients receiving radiotherapy at some stage of their care. It uses high-energy radiation to destroy malignant cells while preserving surrounding healthy tissue. Advanced techniques such as intensity-modulated radiotherapy (IMRT) and intensity-modulated arc therapy (IMAT) shape and modulate radiation beams to match tumour geometry with high precision. Stereotactic radiotherapy (SRT) delivers highly focused doses to small, well-defined lesions, particularly in the brain and other sensitive regions. Treatment planning integrates imaging modalities, including MRI, CT, and PET, to accurately define tumour boundaries. Image-guided radiation therapy further refines delivery by verifying positioning in real time, enhancing tumour control while limiting toxicity and improving patient outcomes.

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