External treatment of traditional Chinese medicine for radiation enteritis: A protocol for systematic review and meta-analysis.

Background: Radiation enteritis (RE) is a common complication that often occurs after radiotherapy for abdominal and pelvic malignancies. RE could influence patients' quality of life seriously and it is difficult to cure by conventional treatments. A lot of studies have revealed that the external treatment of traditional Chinese medicine (TCM) for RE is a safe and economical approach, but there is no relevant systematic review.