FOLR1 and ovarian cancer: Additionally, reports that FRA expression levels may be associated with disease stage or survival in ovarian cancer or non-small cell lung cancer, suggest that FRA may be a useful prognostic marker ([O’Shannessy et al. 2012]; [Toffoli et al. 1997]; [Toffoli et al. 1998]; [Iwakiri et al. 2008]).