654 A NEW CLASSIFICATION OF PRIMARY LIVER CARCINOMAS BASED ON THEIR POSSIBLE CELLULAR ORIGIN. - Komuta, M.; Vandecaveye, V.; Olivier, O.; De Keyzer, F.; Lalemen, W.; Verslype, C.; Van Steenbergen, W.; Pirenne, J.; Nevens, F.; Aerts, R.; Topal, B.; Roskams, T. (Journal of Hepatology, 2013)