Peter Naredi, MD, PhD of University of Gothenburg, Gothenburg, Sweden gives an overview of the member societies of ECCO. There are over 25 member societies with over 150,000 individual members. Prof. Naredi explains that they represent the cancer community, including medical oncologist, radiation oncologist, surgeons, nurses, pediatricians, researchers, and more. Further, there are 15 patient organizations in a patient advisory committee. Recorded at the European Cancer Congress of the European Cancer Organisation (ECCO) 2017 in Amsterdam, Netherlands.