John Murray, RGN, MSc, Christie Hospital NHS Foundation Trust, Manchester, UK, outlines three types of graft-versus-host disease (GvHD): ocular, oral, and genital and highlights the importance of a standardized scoring technique when clinicians are assessing the grade of chronic GvHD. This interview was recorded via an online conference call with The Video Journal of Hematological Oncology (VJHemOnc).