Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , accounting for some bronchovascular crowding . No focal parenchymal opacities are identified . Moderate cardiomegaly is unchanged from prior . The aorta is tortuous . Hilar contour is unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Stable moderate cardiomegaly . Otherwise , no acute cardiopulmonary process .