The Rectal Cancer Contouring Workshop is a comprehensive and engaging educational workshop designed to deepen your understanding of the complexities involved in rectal cancer contouring. This hands-on workshop emphasizes the critical role of anatomical knowledge in overcoming common challenges encountered during contouring. Participants have to contour GTVs (tumor and nodal) as well as the corresponding CTVs and relevant Organs at Risk. Special emphasis will be placed on accurate CTV delineation. By the end of the course, you will have acquired practical knowledge and scientific reasoning skills that will enhance your ability to manage daily clinical challenges with confidence and precision.