The European Society of Surgical Oncology (ESSO) is a professional organization dedicated to advancing the field of surgical oncology in Europe. It aims to improve the quality of surgical care for cancer patients through education, research, and collaboration among healthcare professionals. ESSO organizes conferences, workshops, and training programs to share knowledge and best practices in surgical techniques and cancer treatment. Founded in 1981, ESSO brings together surgeons, oncologists, and researchers from various disciplines to foster a multidisciplinary approach to cancer care. The society also promotes clinical research and guidelines to enhance patient outcomes and support the development of new surgical methods in oncology.