"Competency-based curricular changes recommended by NMC incorporated as core/must-know, and non-core/desirable-to-know and their corresponding new assessment methods included. Updated text in academic and diagnostic pathology includes current definitions, additional causes, contemporary mechanisms, up-to-date international classifications of diseases (including WHO classifications of neoplasms, 5th edition) and modern approach to diagnosis and prognosis, in a simple, lucid, easily understandable and reproducible, user-friendly format. Newer content includes a new chapter on 'Blood Banking and Transfusion' and another on 'Clinical Pathology' incorporated in Appendix I along with Basic Diagnostic Cytology. Pathology of COVID-19 and its impact on different organ-systems incorporated in different chapters. Labelled gross and photomicrographs of high quality and better resolution added and amended; many of these were generously contributed by Prof Ivan Damjanov in previous edition; several schematic illustrations updated and amended.