The World Health Organization (WHO) has revised the classification of hematolymphoid tumors (WHO-HAEM5) in August 2022 to incorporate certain recent changes in understanding of disease biology. This article highlights the important changes, with particular reference to those most relevant to children.

中文翻译：

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世界卫生组织 (WHO) 血淋巴肿瘤分类第五版：儿科有何新进展？

世界卫生组织 (WHO) 于 2022 年 8 月修订了血淋巴肿瘤分类 (WHO-HAEM5)，以纳入对疾病生物学认识的最新变化。本文重点介绍了重要的变化，特别是与儿童最相关的变化。