45th Congress of the European Society of Surgical Oncology will be held in Madrid, Spain 4 to 6 November2026. With the theme Surgical Oncology without Borders: Innovations and Challenges Worldwide, we wil explore the latest advancements, global perspectives, and shared chalenges that shape the future of Surgical Oncology around the world. Madrid, a vibrant city in the heart of Southern-Europe, offers the perfect location for this international meeting.

The ESSO Congress has experienced remarkable growth over the years, firmly establishing itself as the premier event for the Surgical Oncology community. Bringing together surgeons, oncologists, researchers, and healthcare professionals from over 70 countries worldwide.

Our success is built on a state-of-theart scientific programme that covers a broad range of tumour sites, newest surgical techniques, emerging esso 45 technologies, and multidisciplinary approaches.

Our aim is to ensure that delegates can use this latest knowledge into their daily practice and ultimately improve patient outcomes.

This success of the ESSO congress would not be possible without the vital support of our industry partners. Over the years, we have cultivated strong, and lasting partnerships that have contributed to the growth and evolution of ESSO and its annual congress. To our existing partners, your continued commitment to ESSO is invaluable, and we look forward to building on this colaboration in Madrid. To our new partners we want to wish you welcome to the ESSO and hope that we can make an everlasting partnership.

We warmly invite you to join us in Madrid for ESSO 45, an inspiring meeting that celebrates innovation and global colaboration.