Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours remain stable . Median sternotomy wires and aortic valve replacement are noted . Elevation of the right hemidiaphragm is new , and a small to moderate right pleural effusion is present , a component of which is likely subpulmonic . Partial obscuration of the right hemidiaphragm likely reflects residual infection . Small left pleural effusion is present . There is no pneumothorax .
    OUTPUT:
    
New elevation of the right hemidiaphragm , which is likely attributable to a small to moderate pleural effusion , a component of which is likely subpulmonic . Small left pleural effusion . Right basilar opacity likely reflects residual pneumonia .