AROI-ESTRO GYN Teaching Course

Nodal CTV (CTV-E, no macroscopic nodal involvement)

Lymph nodes are located around vessels

• Paraaortic • Common iliac • External iliac • Internal iliac

• Obturator • Presacral • Inguinal (in stage IIIa)

Nodal CTV contouring = Delineation of vessels with margins

Which margin/s are necessary ?