Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , with crowding of bronchovascular markings . There is no focal consolidation . Continued blunting of the costophrenic angles may represent scarring or small pleural effusions , left greater than right . Mild - to - moderate cardiomegaly persists . There is no evidence of central venous congestion or pulmonary edema .
    OUTPUT:
    
Continued mild cardiomegaly , without pulmonary edema . The differential includes dilated cardiomyopathy and pericardial effusion .