The radiation treatment of lymphoma necessitates a precise knowledge on imaging, disease biology and state-of-the art contouring. This FALCON course gives an overview on treatment strategies both for indolent and aggressive lymphoma, also covering important extranodal sites. The attendees are provided with a comprehensive overview on radiation therapy indication, planning and treatment for lymphoma. In a case-based contouring workshop, the participants have the opportunity to improve their individual contouring skills and to learn about potential pitfalls also trough a detailed revision of homework cases that are required to be contoured in advance.