Special Notice: VETERANS AFFAIRS, DEPARTMENT OF intends to award a sole source procurement contract to Varian Medical Systems, Inc. for the supply of ARIA Radiation Oncology and TPS Eclipse software support. The software is used to manage departmental, administrative, and clinical activities in the field of radiation oncology. It facilitates the scheduling of clinical activities and billing purposes. The Eclipse Treatment Planning System is specialized software used by medical professionals for planning radiotherapy treatments for patients with malignant or benign diseases. The contract will include software updates, help desk support, maintenance, and trainings. Interested parties must demonstrate their capability to meet the government's requirements by February 5, 2024. This notice is not a request for competitive quotes.