Cross-correlation analysis of SSR1/RPL39L was found only in colon and lung cancers, and the cross-correlation of PPARGC1B/CDKN2A was found only in colon and breast cancers (Figure 4A–C), R-values of breast, colon and lung data (Supplemental Tables S6–S8). The gene discussed is CDKN2A; the disease is lung cancer.