Figure 1.
Estimated frequencies of BCP-ALL subtypes in children. Data were adapted from Lilljebjörn et al.23 The outer donut chart describes the genetic subtypes of BCP-ALL. In the inner chart, established subtypes as defined by WHO6 are indicated in blue, provisional entities in green, new subtypes in purple, and unclassified cases in red. The very rare established subtype IL3-IGH is not included in the chart.
