Early tumor shrinkage and response assessment according to mRECIST predict overall survival in hepatocellular carcinoma patients under sorafenib oleh Osman Öcal, Regina Schinner, Kerstin Schütte, Enrico N. de Toni, Christian Loewe, Otto van Delden, Vincent Vandecaveye, Bernhard Gebauer, Christoph J. Zech, Christian Sengel, Irene Bargellini, Antonio Gasbarrini, Bruno Sangro, Maciej Pech, Peter Malfertheiner, Jens Ricke, Max Seidensticker, for the SORAMIC study group