AROI-ESTRO GYN Teaching Course

Field borders [AP-PA field] • Superior border- L4-L5 junction (to encompass the common iliac node)

• Lateral border- 1.5 cm from the widest pelvic part of the pelvic brim

• Inferior-no vaginal wall involved- lower border of the obturator foramen.

• If they are then – 2cm below the lower most point of disease