Fig. 3From: Four cases of cell cannibalism in highly malignant feline and canine tumorsCase 3. Squamous cell carcinoma. Lung. Dog. a - Alveoli in the periphery of the tumor are filled with numerous round cells, with very frequent images of cell internalization (arrows) (HE). b - IHC, anti-pancytokeratin antibody. Tumor cells are positive (internalized cells included - two on the left and one on the right). Mayer’s hematoxylin counterstainBack to article page