Lower GI 2017

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Acute Proctitis: prevention (HDR)

HDR preop RT

Botox injection after last HDR

15 pz

35 pz

BOTOX

26 Gy 4 frx

dose escalation: 25 U; 50 U; 100 ; 150 U

Vuong T et al. IJROBP 2011

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