showed a trendp = 0.090
When compared to all other subtypes combined, CL tumors were more likely to express ALDH1 (17.1% versus 7.3%, p = 0.010) and they showed a trend towards an association with the CD44 hi /CD24 -/low phenotype (31.3% versus 21.7%, p = 0.090) ( Table 3 , S4 Fig ).