The Small cell Lung Cancer Online Workshop is a comprehensive, interactive and case-based course. The aim is for participants to acquire and refresh their contouring skills and radiation oncology knowledge on the latest evidence in lung cancer: selective PET/CT/EBUS nodal irradiation, guidelines for target and OAR contour strategies, rational and concepts for margin setup (eg ITV), hippocampal avoidance prophylactic cranial irradiation considerations and ongoing clinical research. Participants will contour on a small cell lung cancer patient and improve it according to the most updated pathology, imaging technology advances and clinical evidence supplied by experts.