Myosteatosis predicts higher complications and reduced overall survival following radical oesophageal and gastric cancer surgery. - Murnane LC; Forsyth AK; Koukounaras J; Pilgrim CH; Shaw K; Brown WA; Mourtzakis M; Tierney AC; Burton PR (European journal of surgical oncology : the journal of the European Society of Surgical Oncology and the British Association of Surgical Oncology, 2021)