Fig. 7.

Histopathological Validation

(a) Representative H&E images for the APOE-low staining group.

(b) Representative H&E images for APOE-high staining group.

(c) Stacked bar chart showing the differences in metastasis rates between the APOE high and low staining groups.

(d) Stacked bar chart showing the differences in HBME-1 positivity rates between the APOE high and low staining groups.

(e) Boxplot showing the differences in maximum tumor diameter between the APOE high and low staining groups.