ESTRO 2025 - Abstract Book

S1205

Clinical – Lower GI

ESTRO 2025

Figure. Regional recurrence in the upper pelvic lymph nodes in the total of 466 cT1-2N0 anal canal cancer patients treated with radio(chemo)therapy with limited ENI (upper border of the CTV at the bottom of the sacroiliac joints), without concomitant local recurrence or persistent primary tumour