Table 4.

Antibodies used in the analysis.

Antibody	Definition of Positivity Expression	Brand	Dilution	Control
IDO-1	>10% of tumor cells	Abcam *, Cambridge, UK	1:1000	Breast
Claudin-3	Allred score ≥ 4	Abcam *, Cambridge, UK	1:200	Breast
Androgen Receptor	≥20% of tumor cells	Cell Marque™, California, US	1:400	Gallbladder
FOX-C1	Moderate (M) or intense (I)	Abcam *, Cambridge, UK	1:300	Breast
Ki-67	≥1% of tumor cells	Ventana®-Roche, Rotkreuz, Switzerland	Ready to use	Breast

Legend: IDO-1—Indoleamine 2,3-dioxygenase, FOX-C1—Forkhead Box C1. * abcam is a registered trademark of Abcam Plc.