Malignant melanoma: If the tumor is in the mouth, it can appear as ... Verstraete FJ. Oral and maxillofacial osteosarcoma in dogs: a review. Vet Comp Oncol. 2014 Sep;12(3):169-80.

Dog owners often notice their furry friends drooling, and in many cases, it’s completely normal. However, if the drooling ...