Flattened ventricular septum was noted as well. Aortic insufficiency was present on color flow Doppler. The right atrium was mildly enlarged with significant tricuspid insufficiency with velocities consistent with severe pulmonary hypertension. Right ventricular septum revealed a mixed, hypoechoic mass. Given the splenic pathology metastatic hemangiosarcoma is likely. The mass entered into the right ventricle and measured approximately 3.0 cm. No pericardial effusion was noted. However, the right ventricular mass entered into the pulmonary outflow as well. This created an obstructive flow pattern. There was mild volume overload noted in the right ventricle as well. Spleen – The spleen revealed a moderately complex, mixed hypoechoic expansive mass that measured approximately 6.0 cm.