Disclosure AL: Travel and educational support from Ipsen, Pfizer, Bayer, AAA, Sirtex, Novartis, Mylan and Delcath. Speaker honoraria from Merck, Pfizer, Ipsen and Incyte. Advisory honoraria from EISAI, Nutricia, Ipsen, QED and Roche. Member of the Knowledge Network and NETConnect Initiatives funded by Ipsen. JWV: Consulting or Advisory role for Agios, AstraZeneca, Delcath Systems, Keocyt, Genoscience Pharma, Incyte, Ipsen, Merck, Mundipharma EDO, Novartis, PCI Biotech, Pfizer, Pieris Pharmaceuticals, QED and Wren Laboratories; Speakers' Bureau for Imaging Equipment Limited, Ipsen, Novartis, NuCana; and Travel Grants from Celgene and NuCana.