The most frequently reported acute radiation-related toxicities at @ days were lack of appetite ( @ -LSB- @ % -RSB- of @ assessable patients who received @ Gy vs @ -LSB- @ % -RSB- of @ assessable patients who received @ Gy ; p = @ ) and diarrhoea ( @ -LSB- @ % -RSB- of @ vs @ -LSB- @ % -RSB- of @ ; p = @ ) .