Fig. 2From: High mammographic density is associated with an increase in stromal collagen and immune cells within the mammary epitheliumMasson’s trichrome blue staining of high mammographic density (HMD) and low mammographic density (LMD) tissue samples. Photomicrographs show representative staining patterns of HMD tissue (a) and LMD tissue (b) of the 15 women assessed. (c) Scatterplot shows the percentages of blue-stained collagen of HMD and LMD tissueBack to article page