ELF5 and pleuropulmonary blastoma: In PPB patients, ELF5 expression was 15.4-times lower than in controls (Padj=0.0005), whereas in CPAM samples, ELF5 expression was 1.9-times higher than in controls (Padj=0.92; Fig. 1; Tables S1 and S4; Metzger et al., 2007).