Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear of consolidation or effusion . Enlarged cardiac silhouette and prominence of the main pulmonary artery contour are again noted . No acute osseous abnormality detected .
    OUTPUT:
    
No acute cardiopulmonary process . Persistent cardiomegaly and pulmonary artery enlargement .