Young hound with a mass on the lip

• Medical history: No significant medical history


• Surgical history: Recently neutered


• Medications: Heartworm preventive, monthly; brand unknown


• Allergies: No known allergies


• Family history: Not known


• Social history: Patient has had no changes in diet and eats 2 meals per day. No travel history or other pets in the home, but dog attends a dog daycare facility 1–2 times per week. Vaccinations (rabies, parvovirus, distemper, canine hepatitis) are up to date.