What CTV margins should be used with early stage favorable Hodgkin's Lymphoma in the illiac chain if they had a complete response on PET after 2 cycles of ABVD?

Involved site radiation therapy (ISRT) is currently the methodology of planning a course of RT for patients with lymphoma. It should be emphasized that ISRT is NOT synonymous with "small" radiation fields. It is a system whereby 3D anatomy is utilized (instead of bony landmarks) to delineate a GTV, ...