ZFHX3 and posterior cortical atrophy: To explore the biological functions of ZFHX3, we divided the 498 PCa samples with mRNA data into two groups, ZFHX3‐high and ZFHX3‐low, according to the median ZFHX3 mRNA level, as indicated by the Z‐score of log2(RSEM normalized count +1).