已绝育雌性金毛寻回犬右大腿内侧未分化肉瘤

Clinical photograph of caliper measurement of an undifferentiated sarcoma in the medial right thigh of a spayed female Golden Retriever. This large firm mass was fixed to underlying musculature. Because there was no guarantee for achievable surgical margins without nerve damage, and because radiation therapy was declined, this dog was treated with intralesional chemotherapy.