LINC00115 and posterior cortical atrophy: In order to verify the role of LINC00115/miR‐212‐5p/ FZD5 axis in PCa progression, LINC00115 shRNA(shRNA‐2), miR‐212‐5p inhibitor and pcDNA‐FZD5 were co‐transfected into PC‐3 cells.