Invasion of Pheochromocytoma from the Caudal Vena Cava to the Right Ventricular Cavity in a Dog

Figure 5

Histological sections of the neoplastic tissue of the right adrenal gland. Pleomorphic cells are divided into lobules by differing amounts of fibrovascular stroma and further divided by thin trabeculae of fibrous tissue into variably sized packets or nests. Hematoxylin eosin stain. Bar: 50 µm.