Figure 1From: Expression of PIK3CA, PTEN mRNA and PIK3CA mutations in primary breast cancer: association with lymph node metastasesFlowchart illustrating the materials and the analyses performed. * Exclusion was due to insufficient amount or quality of RNA. ** Data are shown in Figures 2 and 3. *** Data are shown in Tables 1, 2 and 3.Back to article page