The World Health Organization (WHO) Classification of Thoracic Tumours, 5th Edition, Volume 5, has been published.

This latest edition guided the WHO Classification of Tumours Editorial Board will be used to inform updates to four existing ICCR datasets in 2021.

The WHO Blue Books are international standards for anyone involved in the care of patients with cancer or in cancer research, underpinning individual patient treatment as well as research into all aspects of cancer causation, prevention, therapy, and education.