Fig. 4: Tiles with top attention scores for ERα and PR prediction in FBC and MBC.

Representative examples of tiles with top attention scores in FBC and MBC respectively for the prediction of (a, b) ERα positivity, (c, d) ERα negativity, (e, f) PR positivity, and (g, h) PR negativity. The area of each tile shown is 256 × 256 μm2.