The WHO Reporting

System for Lymph Node, Spleen, and Thymus Cytopathology is Volume 3 of this new series of reporting systems

for cytopathology, which is a joint project of the International Academy of

Cytology (IAC) and the International Agency for Research on Cancer (IARC), a

specialized agency of the World Health Organization (WHO). The series includes

a unique synthesis of the published evidence and the practice of cytopathology,

and it is linked to the WHO Classification of Tumours series, now in its 5th

edition.