Abstract
Canine mammary tumours are common neoplasms in bitches, and 50% of these neoplasms are malignant. Metastasis is one of the main causes of death, which occurs through the dissemination of cancer cells through lymphatic and blood vessels. Tumour growth induces both angiogenesis and lymphangiogenesis, and the formation of these vessels is essential for the neoplasm. Lymphangiogenesis and lym…