Arnaud Uguen1,2,3,4. 1. Department of Pathology, CHRU Brest, 29220, Brest, France. arnaud.uguen@chu-brest.fr. 2. Inserm, U1078, 29200, Brest, France. arnaud.uguen@chu-brest.fr. 3. European University of Brittany, Brest, France. arnaud.uguen@chu-brest.fr. 4. Department of Pathology, University Hospital Morvan, 5, Avenue Foch, 29609, Brest, France. arnaud.uguen@chu-brest.fr.