In 1983 and 1984, I had the pleasure of being invited to Europe for the Cour- se of Hepatobiliary Surgery started by Professor Hepp and continued by Pro- fessor Bismuth. In these courses, I demonstrated many slides and movies of intraoperative echography that Makuuchi, one of my staff members, had made using the transducer that he was the first to develop. The topic of Intraoperative Echography had an enormous impact on the audience, and its use has since spread rapidly over the European countries, by virtue of the first Italian edition of Professor Gozzetti's book on Intra- operative...