LINC00632 and breast cancer: Those results replied that inhibition of miR‐7 reverses the enhancement on chemosensitivity of 5‐FU‐resistant BC cells caused by CDR1as silencing and overexpression of CDR1as can also reverse the enhancement on chemosensitivity of 5‐FU‐resistant BC cells caused by overexpression of miR‐7, indicating that CDR1as and miR‐7 are in mutual competition.