1. Neuroendocrine Tumors Group, Department of Translational Research and InnovationCentre Léon Bérard Lyon France
2. INSERM U1052/CNRS UMR5286/University of LyonCancer Research Center of Lyon Lyon France
3. Department of Biology and HormonologyLyon‐Est Hospital Bron France
4. Pathology‐Research Platform, Department of Translational Research and InnovationCentre Léon Bérard Lyon France
5. Laboratoire des Modèles TumorauxLyon Synergie Cancer Lyon France
6. Department of PathologyLyon‐Est Hospital Bron France
7. Department of Medical OncologyEdouard Herriot Hospital, Hospices Civils de Lyon Lyon France
8. Department of PathologyGustave‐Roussy Cancer Campus Villejuif France