TTYH1 and breast cancer: At the same time, higher expression of 4 important genes (NMU, COL2A1, PRAME, and TTYH1) that contribute to higher breast cancer lung metastasis was observed in the tumors from Black women compared to the tumors from white women with an adjusted p-value of 0.000664734 (Fig. 8f) (one-way ANOVA).