Advances in Molecular Pathology is an annual review publication that covers the current practices and latest developments in the field of Molecular Pathology. Each issue is divided into sections for comprehensive coverage of all subspecialty areas within molecular pathology, including, Genetics, Hematopathology, Infectious Disease, Pharmacogenomics, Informatics, Solid Tumors, and special topics on COVID-19. The Editor-in-Chief of the publication is Dr. Gregory Tsongalis, a leading expert in the field. Topics covered this year include but are not limited to: Phenotype Association and Variant Pathogenicity Prediction Tools in Genomic Analysis; The application of noninvasive prenatal screening to detect copy number variations; Next generation cytogenomics using optical mapping; Review of molecular in APL; NGS for MRD in acute leukemia; Review of emerging technologies as they pertain to infectious disease testing; Germline genetic variants that predict drug response; Nutrigenomics; PGx of hypertension; Genomic data for blood typing, specifically both through NGS and arrays; Preanalytic Variables and Tissue Stewardship for Reliable Next-Generation Sequencing (NGS) Clinical Analysis; and Cell-free nucleic acids in cancer: Current approaches, challenges, and future directions.