Nodal CTV
Ultrasmall Particles of Iron Oxide (USPIO) data
Taylor A, Rockal AG, Reznek RH et al. Mapping pelvic lymph nodes: guidelines for delineation in intensity-
Taylor A et al., IJROBP 2005
7 mm margin with minor adjustments: 99 % coverage of lymph nodes
Extend 10 mm in front of external
iliac vessels along iliopsoas m.