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Figure 2 | Breast Cancer Research

Figure 2

From: The spatial distribution of radiodense breast tissue: a longitudinal study

Figure 2

Distribution of mean regional percent density, by level of overall percent density. Distribution of mean regional percent density (PD), as estimated by the average across participants in each overall PD group, at the left exit medio-lateral oblique mammograms. Group-specific quintiles were used to categorise the mean regional PD except in the highest overall PD group, where quartiles were used because of the small number of participants. X, region where no women contributed to that particular analysis.

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