Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrates the lungs are well - expanded and clear . The cardiomediastinal silhouette is unremarkable . The hilar and pleural surfaces are normal with no evidence of pleural effusion . There is no pneumothorax . No focal opacity is identified within the lungs . There is no evidence of pulmonary edema .
    OUTPUT:
    
No acute cardiopulmonary process .