Jérôme Galon, MD, PhD, Inserm, Paris, France, discusses the Immunoscore® assay, which is based on three characteristics of the cancer immune contexture: the types, the location, and the density of immune cells. Dr Galon describes how the assay is used to classify patients based on their immune characteristics. This interview took place at the EORTC Cutaneous Lymphoma Group 20-21 meeting in Marseille.