
A first-ever pediatric blue book has been developed as part of the fifth edition of the WHO Classification of Tumors series.
The blue book presents an updated collection of all tumor types, divided by organ sites, that may occur in childhood or adolescence.
A review article published in Cancer Discovery summarized significant changes in a systematic approach for all tumor types that specifically occur in children.
“This blue book focuses on the pediatric age group and not on the organ or organ system, comprising an important change in perspective. So far, pediatric tumors were ‘buried’