17 year old Siamese cat

Findings

There is a large, oval soft tissue opacity mass in the cranial mediastinum. This is seen cranial to the cardiac silhouette on lateral projections, and superimposed on the spine on the ventrodorsal projections. There are nodules superimposed over the cardiac silhouette on the lateral projections. There is also a diffuse bronchial pattern. Within the abdomen, the small intestinal loops are mildly enlarged.