The document, "Sustainable Management of Radiotherapy Facilities and Equipment," by WHO and IAEA, provides guidelines for managing radiotherapy equipment and facilities to ensure effective and safe cancer treatment. It covers essential aspects like preventive and corrective maintenance, funding, infrastructure, and staffing requirements for sustainable operation. The document aims to support radiotherapy departments, especially in low-resource settings, by outlining strategies for equipment procurement, maintenance, and replacement, emphasizing safety, quality assurance, and optimal patient care.