CDK5 and neoplasm: Low cytoplasmic Cdk5 expression was associated with lower Figo stage (χ2 = 13.172, df = 3, P = .004) tumour histology (χ2 = 33.852, df = 6, P < .001) and the absence of residual disease (χ2 = 14.121, df = 2, P = .001; Table 1).