Clinical manifestations of a soft melanosarcoma on the dog's mouth compounded by a mast cell tumor. The age of onset of mast cell tumors is mainly in middle age, but it has been seen in animals from 3 weeks of age to 19 years of age, and all well-differentiated and most intermediate mast cell tumors are potentially curable by surgery. Early surgery is best for well-differentiated and medium-sized tumors. Generally speaking, high-grade tumors are more aggressive. During surgery, not only the tumor itself, but also some normal tissue around the tumor must be removed.

Also possibly infectious STD tumor , mast cell tumor, histosarcoma, fine needle aspiration cytology is recommended to preliminarily determine the nature of the tumor, and at the same time conduct a comprehensive physical examination of the dog, such as chest and abdomen B-ultrasound and imaging examination to see if there is any For other diffuse lesions, blood biochemical indicators and blood routine tests should be carried out at the same time. If the surgical conditions are met, surgical resection is recommended.