case_images: PMC10559693_01
case_images: A noncontrast CT scan of the abdomen revealed asymmetric fullness of the right kidney with hydroureteronephrosis, with an increased density concerning for soft tissue neoplasm in the right ureter. There was a concern by the interpreting radiologist for an infiltrative renal mass (arrow).
case_images: 10.1177_2050313X231204768-fig1.jpg
case_images: PMC10559693_01_10.1177_2050313X231204768-fig1.jpg
case_images: fig1-2050313X231204768
case_images: In addition, the inferior vena cava was expanded and revealed an extensive thrombus (IVCT) (Figure 1).
case_images: Transthoracic echocardiogram subcostal view revealed severe left ventricular dilation with an ejection fraction of 25%-30% and a mobile echodensity of 1.7 cm x 2.4 cm (arrow) at the junction of the inferior vena cava and the right atrium.
case_images: 10.1177_2050313X231204768-fig2.jpg
case_images: PMC10559693_01_10.1177_2050313X231204768-fig2.jpg
case_images: fig2-2050313X231204768
case_images: Echocardiogram revealed a mass at the junction between the IVC and right atrium (Figure 2).