A Randomized Controlled Trial of Five - Flavor Sophora Flavescens Enteric - Coated Capsules for Radiation - Induced Proctitis After Pelvic Radiotherapy

Experimental group: If patients have rectal reactions, RTOG radiation - therapy toxicity grades \>2, plus FOB (+) or fecal calprotectin Fc\>150μg/g, they'll take five - flavor sophora flavescens enteric - coated capsules (4 capsules thrice daily for 8 weeks), plus glutamine and warm - water sitz baths.

If patients have rectal reactions, RTOG radiation - therapy toxicity grades \>2, plus FOB (+) or fecal calprotectin Fc\>150μg/g, they'll use only glutamine and warm - water sitz baths.