FOXM1 and cancer: Furthermore, based on the interquartile range, the spread of FOXM1 expression varied in some cancer types more than others; e.g., breast cancer (BRCA) has a wide spread while testicular germ cell tumors (TCGT) have a narrow spread (Figure 1A), which could be due to some cancers consisting of more than one clearly defined subtype and therefore having more genetic diversity.