The results from the author's ph.d. demonstrated the value of EUS as a single imaging modality in the pretherapeutic assessment of patients with esophageal, gastric and pancreatic cancer. But it was also evident that this technology alone was unable to perform a complete evaluation of these patients. With the results from the present work the author has defined and tested a new evaluation strategy based on the combination of EUS and Laparoscopic Ultrasonography (LUS). This combination was supplemented... Mehr