Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded and clear . There is no focal airspace opacity to suggest pneumonia on this single projection . Previous left basilar opacity is resolved . The heart is moderately enlarged as before . The mediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Stable moderate cardiomegaly . No acute cardiopulmonary abnormality .