The 4th Edition of the Head and Neck WHO Blue Book: Editor's Perspectives

In the 4th Edition of the World Health Organization (WHO) Classification of Head and Neck tumors [1], the editors were committed to maintain the familiar classification and nomenclature of previous editions while updating and introducing new entities [2]. At the outset, the editors agreed to exclude themselves from authoring or co-authoring any chapters others than Introduction to their respective Chapters, wherein approaches and modifications where to be highlighted. Broadly, efforts were exercised to reduce redundancy by limiting multiple discussions of the same entities to their commonest anatomic sites.

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