Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the lungs are well expanded and clear . The cardiomediastinal silhouette is unremarkable . No pleural effusion , pneumothorax or pulmonary edema is present . A right cardiophrenic angle opacity is unchanged , likely a fat pad .
    OUTPUT:
    
No acute cardiopulmonary process .