1351 / 1631
With the advent of sophisticated imaging (MRI
and PET/CT), the ILROG panel consensus is
that elective lymph node coverage is not
required for SEP, unless there is persuasive
clinical evidence to indicate a high risk of nodal
involvement, such as very bulky primary
disease or proximity to the primary lesion when
nodal coverage will not increase the treatment
toxicity in a significant way
SEP: benefit of prophylactic nodal irradiation