Diagram showing cyclin E (—), S-phase fraction (), and p27 (· · ·) expression for different lymphoma entities. Error bars represent mean values and 95% confidence intervals. The histological subgroups are: CLL (n = 18), FL (n = 18), MCL (n = 11), diffuse large cell lymphoma (LCL) (n = 34). Data concerning 12 cases with different other morphological types are not shown in the figure.