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. Author manuscript; available in PMC: 2011 Jul 15.
Published in final edited form as: Cancer Res. 2010 Jun 15;70(14):5674–5678. doi: 10.1158/0008-5472.CAN-08-2660

Figure 2. Examples of PIK3CA Sanger sequencing results.

Figure 2

A, Concordant somatic PIK3CA mutation (A3140G) in IDC and adjacent DCIS. B, Intra-tumor heterogeneity for PIK3CA mutation. One of the invasive areas of this tumor had exon 20 A3140G (H1047R) mutation whereas other invasive and adjacent DCIS were wild type.