“…Although the study by Ottosson et al (2013) has a large sample size (n=712), the findings are limited to patients receiving radiotherapy. The study by Lango et al (2016) was completed in patients receiving (chemo) radiotherapy but had a small sample in comparison (n=84). Pre-treatment weight loss was the only other patient factor supported by a number of level III and IV studies (Beaver et al, 2001;Gardine et al, 1988;Mangar, Slevin, Mais, & Sykes, 2006;Mays, Moustafa, Worley, Waltonen & D'Agostino, 2014;Orphanidou et al, 2011).…”