Figure 3From: Proto-oncogene HER-2 in normal, dysplastic and tumorous feline mammary glands: an immunohistochemical and chromogenic in situ hybridization studyHER-2 oncogene copies in feline mammary carcinoma. Between 5 and 10 brown dots per nucleus are seen in the majority of cancer cell nuclei. CIHS, scale bar = 4 μm.Back to article page