Objective: To present the detailed history of three cervical cancer patients with rectovaginal fistula. who had undergone radiotherapy. Cases report: A 74-year-old patient with end-stage renal disease undergoing hemodialysis had radiotherapy for her advanced cervical cancer. Colonoscopic biopsy showed radiation sigmoid colitis and ulcers. https://herbsdailyes.shop/product-category/advanced-wound-care-hydrogels/