Presentation A 12-year-old spayed female mixed-breed dog was presented with lethargy, decreased appetite, and abdominal distention. Computed tomographic imaging was completed as part of the diagnostic workup. Photo courtesy Dr. Kendra Freeman Challenge 1) The most common primary hepatic tumor in dogs is: a. Hemangiosarcoma b. Carcinoma c. Hepatoma 2) In a recent study, what percentage of dogs experienced a major postoperative complication following surgical excision of a liver mass? a. 7 percent b. 12 percent c. 17 percent d. 25 percent 3) In a recent study, the distance from mass to the caudal vena cava was identified as a risk factor for the development of postoperative complications. a. True b. False References Konno, R., Kaneko, Y., Osuga, T., Torisu, S., Yamamoto, S., Okadera, R., & Naganobu, K. (2026). Risk factors for complications associated with canine hepatic mass resection: A study of 96 cases. Veterinary Surgery, 55(1), 165-175. Veterinary Society of Surgical Oncology (2026, April 26). https://vsso.org/liver-and-biliary-tumors
