Key changes to the World Health Organization (WHO) classification of female genital tumours introduced in the 5th edition (2020)

Abstract

An updated World Health Organization (WHO) classification of female genital tumours was published in autumn 2020. We discuss the major new additions to and changes from the prior 2014 classification with a discussion of the reasons underlying these. A feature of the new classification is the greater emphasis on key molecular events with integration of morphological and molecular features. Most of the major changes from the prior classification pertain to uterine (corpus and cervix) and vulval tumours, but changes in all organs are covered.

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