Mohammad A. Vasef, MD, is a Professor at the Department of Pathology and Director of MGP Fellowship Program at The University of New Mexico Health Sciences Center. He is also Medical Director of Molecular Diagnostics, and works for TriCore Reference Laboratories in Albuquerque, New Mexico. Aaron Auerbach, MD, MPH, is the senior hematopathologist at the Joint Pathology Center in Silver Spring, Maryland, where he delivers expertise in both hematopathology and gastrointestinal pathology. He is the author of the prior and upcoming editions of Diagnostic Pathology: Molecular Oncology (2019 and 2023), and the sole author of Diagnostic Pathology: Spleen (2022).