I am not commenting on radiation therapy, simply offering information from this paper for those who are already gone down that path.
Mucositis is the painful inflammation and ulceration of the mucous membranes lining the digestive tract, usually as an adverse effect of chemotherapy and radiotherapy treatment for cancer.
Radiation proctitis is radiation induced rectal mucositis, occurring as a consequence to radiation therapy of the pelvic organs for various pelvic region malignancies.
Your options: Butyrate, antioxidants, Vit A, Vit C, and Vit E, Hyperbaric Oxygen, are some of the many options to ease the suffering.
Article: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4963751/#!po=63.6986
