Melissa Cessna, MD, is a hematopathologist and a past medical director of the Flow Cytometry Laboratory at Intermountain Healthcare in Murray, UT. Intermountain Healthcare was an early implementer of minimal residual disease (MRD) testing, using molecular technologies and flow cytometry. Dr. Cessna has served as the system hematopathology lead in a multidisciplinary team at Intermountain, developing testing algorithms for new diagnoses and monitoring patients with hematologic malignancies.