Lily had the lump removed from her breast 2 weeks ago. Here is the result from the vet laboratory.
MICROSCOPIC: The specimen consists of skin and underlying mammary tissue. There is a mass composed of proliferations of myoepithelium and glands lined by a single layer of plump but monomorphic epithelium. The lesion extends to margins on the section examined.
DIAGNOSIS: Fibrocepithelial hyperpalsia.
COMMENT: This is a benign lesion that may be the result of hormonal stimulation. Excision of the mass, and removal of hormonal stimulus should be curative, but follow-up is advised as malignant tumors may Adminse from sites of hyperplasia.