Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . Moderate cardiomegaly is stable . Impression on the left lateral aspect of the upper trachea likely corresponds to known thyroid nodules . The hilar contours are normal . There is no pleural effusion or pneumothorax . The aorta appears tortuous .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Stable moderate cardiomegaly .