Can RT to non-bulky sites be omitted in an early stage (stage I or II) classical Hodgkin's lymphoma case with a CR by PET/CT?  

If a patient will receive a total of 4 cycles ABVD and has a CR by PET/CT after cycle 2, can RT be omitted to non-bulky sites to avoid toxicity?

Answer from: Radiation Oncologist at Academic Institution