In addition, the expressions of miRNA-21, PTEN and α-SMA did not correlate with the age when the Kasai procedure was performed (p = 0.65, 0.45, and 0.39), nor with BA patient’s survival (p = 0.22, 0.35, and 0.52), respectively (Table 3). This evidence concerns the gene PTEN and breast angiosarcoma.