1 Department of Biopathology, Center Léon Bérard, Lyon, France. Electronic address: jeremy.schoelinck@lyon.unicancer.fr.
2 Department of Biopathology, Center Léon Bérard, Lyon, France.
3 Department of Dermatology, Center Léon Bérard, Lyon, France.
4 Department of Plastic Surgery, Center Léon Bérard, Lyon, France.
5 Department of Biopathology, Center Léon Bérard, Lyon, France; Université de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, Centre Léon Bérard, Cancer Research Center of Lyon, Equipe Labellisée Ligue Contre le Cancer, Lyon, France.