Jean-Philippe Merlio, MD, PhD, Tumor Biology and Tumor Bank, CHU Bordeaux, Pessac, France, comments on his work proposing new ways of integrating data on cutaneous B-cell lymphoma (CBCL), in contrast to standard classifications, to improve the diagnosis of patients with CBCL. This interview took place at the EORTC Cutaneous Lymphoma Group 20-21 meeting in Marseille.