Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . The lungs are well expanded . There is no focal consolidation , effusion , or pneumothorax . Cardiomegaly is moderate . In addition , there is a prominant right mediastinal contour at the level of the ascending aorta . The descending aorta is tortuous . The central pulmonary vasculature is prominent .
    OUTPUT:
    
A prominant right heart contour is formed by the SVC , as shown on subsequently acquired CT .