Gareth Morgan, MD, PhD, FRCP, FRCPath, from the University of Arkansas for Medical Sciences, Little Rock, AR, gives a brief overview of the importance of minimal residual disease (MRD) in both research and the clinic, emphasizing that MRD testing should be more widely available and used. This video was recorded at the 23rd congress of European Haematology Association (EHA) 2018, held in Stockholm, Sweden.