Affiliation: | 1. Department of Gastroenterology, Cochin Teaching Hospital, Assistance Publique‐H?pitaux de Paris, Paris, France;2. Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris, France;3. Hospices Civils de Lyon, H?pital Edouard Herriot, Service d'Oncologie Digestive, Lyon, France;4. Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France;5. Department of Pathology, Cochin Teaching Hospital, Assistance Publique‐H?pitaux de Paris, Paris, France;6. Department of Pathology, Bichat Hospital, Assistance Publique‐H?pitaux de Paris, Départements Hospitalo Universitaires, Paris, France;7. Department of Gastroenterology and Pancreatology, Beaujon Hospital, Assistance Publique‐H?pitaux de Paris, Départements Hospitalo Universitaires, Clichy, France;8. Université Paris Diderot, Sorbonne Paris Cité, Paris, France |