Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation edema , or effusion noting that the left costophrenic angle is excluded from the field of view . Cardiac silhouette is moderately enlarged as on prior . Tortuosity of the descending thoracic aorta is again noted .
    OUTPUT:
    
Enlarged cardiac silhouette as on prior without acute cardiopulmonary process .