Adenocarcinoma is a malignant, grandular skin cancer that originates from sebaceous glands and sweat glands. It appears as solid, firm or raised areas on the skin. The lesion can bleed and the area may swell or become red.
Though the tumors mostly appear on face, they can grow on any part of the body where sweat glands are present. When detected early, the prognosis is generally good.
Lesions can be present on the dog's body as a single lesion or in many different areas. Skin cancer can appear as a solid, firm mass, or a raised lesion on the skin.