The 6th edition of the World Health Organization (WHO) Breast Tumours classification has been released as an online beta version.

This new edition has been prepared by 112 authors and editors, and includes high-quality images, slide images and 2900 references.

In synchrony with updates to the WHO Classification of Breast Tumours, the ICCR is updating four existing datasets and developing a new dataset for phyllodes tumours of the breast.

The beta version can be accessed through the subscription platform Tumour Classification Online: https://tumourclassification.iarc.who.int/welcome/