Fig. 1From: More fat, less migration: breast density as a predictor of sentinel lymph node non-visualization in breast cancerComparison of age (a) and BMI (b) of breast density categories using Kruskal-Wallis tests and comparison of the proportions of sentinel lymph node non-visualization cases among breast density categories (c) using a Fischer exact test. BMI: Body Mass Index. Category 1: almost entirely fatty. Category 2: scattered densities. Category 3 or 4: heterogeneous or extremely denseBack to article page