The histopathological analysis of a representative Cdx4 mouse showing the presence of erythroblasts in different mouse organs. (A) Wright-Giemsa staining of peripheral blood. (B) Ter119 staining of the spleen. Hematoxylin and eosin (H&E) staining of the liver (C), testis (D), and pancreas (E). (F) Myeloperoxidase (MPO) staining of the lung.