Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are stable . Stable moderate cardiomegaly . Mediastinal and hilar contours are stable . The pleural surfaces are normal . No pneumothorax . The left pacemaker is intact with leads terminating in the appropriate positions .
    OUTPUT:
    
Stable moderate cardiomegaly without pulmonary venous congestion . No acute cardiopulmonary process .