1 Title : Does timing matter in radiotherapy of hepatocellular carcinoma ?

1 Institute of Anatomy II, Medical Faculty, Heinrich-Heine-University, Universitätstrasse 1, 40225 Düsseldorf, Germany. 2 Zoology Department, Faculty of Science, Suez University, Suez 43111, Egypt. 3 Laboratory of Molecular Radiooncology, Clinic and Policlinic for Radiation Therapy and Radiooncology, Medical Faculty of Heinrich-Heine-University, Universitätstrasse 1, 40225 Düsseldorf, Germany. 4 Department of Molecular Cardiology, Heinrich-Heine-University, Universitätstrasse 1, 40225 Düsseldorf, Germany. 5 Institute of Anatomy I, Medical Faculty, Heinrich-Heine-University, Universitätsstr. 1, 40225 Düsseldorf, Germany.