45th Congress of the European Society of Surgical Oncology (ESSO 2026)

Dear colleagues, dear partners,
On behalf of the European Society of Surgical Oncology, we are pleased to invite you to participate in the 45th edition of our Annual Congress, which will take place from 4 to 6 November 2026 in Madrid, Spain.

With the theme Surgical Oncology without Borders: Innovations and Challenges Worldwide, we will explore the latest advancements, global perspectives, and shared challenges 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 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 theyears, 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 collaboration 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 globalcollaboration.

Geerard Beets
ESSO President
ESSO 45 Congress Chair

Isabel T. Rubio
ESSO 45 Local Chair

Hassan Malik
ESSO 45 Scientific Chair