ITGB1 and breast cancer: Further, analysis of the retrieved dataset from TNMplot tool in KM database showed the same pattern of correlation with Fbln2 in breast cancer group (n = 7569) (Fig. 4b); however, myoepithelial markers showed a negative correlation with Fbln2, except for Itgb1, in the morphologically normal breast group (n = 242) (Supplementary Fig. 5b).