Volume 25 | Issue 7
ISSN (Print): 2053-0889
ISSN (Online): 2053-0897
Normal tissue cells, similarly to cancer cells, are susceptible to the damaging effects of ionising radiation (Ward, 1988; Stewart and Dorr, 2009; Hill and Bristow, 2013). The risk, type, and severity of toxicity from radiotherapy depends on multiple factors including the tissue type, duration over which treatment is administered, volume of treated tissue, treatment fractionation, and the total dose delivered (Fowler, 1989; Schmidt-Ullrich et al, 1999; Purdy, 2008)..