1. Department of Pathology Hôpital Bicêtre, APHP, Université Paris Saclay Le Kremlin‐Bicêtre France
2. Department of Pathology Institut Curie Paris France
3. Department of Medical Oncology Institut Curie Paris France
4. Department of Surgery Institut Curie Paris France
5. Department of Radiotherapy Institut Curie Paris France
6. Department of Medical Sciences University of Turin Italy
7. Pathology Unit Candiolo Cancer Institute FPO‐IRCCS Candiolo Italy