Figure EV1. IHC analysis.

Nineteen IHC reactions performed on the breast core biopsy performed during the ad excludendum CUP diagnosis. H&E: hematoxylin and eosin. Scale bar: 50 μm.

Nineteen IHC reactions performed on the breast core biopsy performed during the ad excludendum CUP diagnosis. H&E: hematoxylin and eosin. Scale bar: 50 μm.