Future of cancer registries

Abstract
EDITOR,—Allyson Pollock's editorial on the problems that cancer registries face in obtaining good quality data on outcomes points out the potential conflict between datasets based on populations and those based on clinicians.1 Clinically based datasets focus on patients treated in a given centre and do not provide an accurate picture of the treatment received by the population as a whole. On the other hand, data normally collected by cancer registries cover all cases of cancer but typically include inadequate amounts of …