KLF5 and breast angiosarcoma: In order to confirm the expression pattern of YAP downstream genes, we tested the mRNA level of ANKRD1, CTGF, AMOTL2, PALMD, ANXA3, CYR61, NEDD9, TNFRSF12A, and KLF5 in more liver samples from BA (n = 50) and non-BA patients (n = 30) by quantitative PCR (qPCR).