Special Notice: VETERANS AFFAIRS, DEPARTMENT OF intends to sole source a Brand Name Only - Sun Nuclear - Dynamic Thorax Phantom System. This system is used by the Radiation Oncology Department at the Corporal Michael J. Crescenz Veteran Affairs Medical Center in Philadelphia, PA to investigate and minimize the impact of tumor motion inside the lungs during image-guided radiation therapy. The system provides known, accurate, and repeatable three-dimensional target motion inside a tissue-equivalent phantom, allowing for comprehensive analysis of image acquisition, planning, and dose delivery. The Dynamic Thorax Phantom is a unique system that integrates with the department's existing Sun Nuclear suite and is essential for quality management and patient safety. The contractor is required to deliver the system to the Corporal Michael J. Crescenz VA Medical Center in Philadelphia, PA. The contractor must also provide a one-year manufacturer's warranty on all parts and be responsible for any recalls or warranty repairs, including shipping costs. The period of performance is for a single procurement with no base or option period. Interested parties must demonstrate their ability to fulfill the required specifications and provide company information, including size status and representations. Responses must be submitted by email to david.santiago2@va.gov by November 27, 2023.