JRC and ENCR organised on 3-4 May 2017 a training event on Cancer Data Collection and Comparability with one day devoted to issues related to data collection, and the second day to quality aspects of data analysis. A specific session on childhood cancer registration was included. The course was intended for data collection staff and managers employed in cancer registries with the aim to contribute to improving the harmonization of cancer registration procedures across Europe. More information is available here.