Novel presentation of a feline patient with visceral and cervical lymph node hemangiosarcoma.

Objective: To report a novel presentation of feline hemangiosarcoma.

Animals: A 14-year-old spayed female feline patient diagnosed with hemangiosarcoma of the spleen and a cervical lymph node.

Clinical Presentation, Progression, And Procedures: The patient presented to the emergency service following a 1-week history of lethargy and hiding.