Figure 1From: Metastatic canine mammary carcinomas can be identified by a gene expression profile that partly overlaps with human breast cancer profiles Two dimensional cluster analysis of metastatic versus non-metastatic canine mammary tumors. Two of the lymph node metastasis-negative carcinomas were adjoined to the metastatic tumor cluster. One of these animals (no. 22) developed lung metastases 8 months after initial surgery despite negative lymph-node status.Back to article page