Leukaemia Research Fund Data Collection Survey: descriptive epidemiology of chronic myeloid leukaemia.

This paper describes the recent epidemiology of chronic myeloid leukaemia occurring in selected parts of England and Wales. The overall rates for the pooled sexes is 1.0/10(5) per year and the geographical distributions described in this paper show remarkable homogeneity at county, district and electoral ward level. The implication of these observations is discussed.