Surgery in oesophago-gastric cancer with metastatic disease: treatment, prognosis and preoperative patient selection - Schmidt, Thomas; Alldinger, Ingo; Blank, Susanne; Klose, Johannes; Springfeld, Christoph; Dreikhausen, Lena; Weichert, Wilko; Grenacher, Lars; Bruckner, Thomas; Ulrich, Alexis; Büchler, Markus W.; Ott, Katja (European journal of surgical oncology, 2015)