Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate slightly lower lung volumes compared to the prior study with minimal left basilar atelectasis . The cardiomediastinal silhouette is unremarkable and there is no evidence of pneumothorax , pulmonary edema or pleural effusion . No focal opacification is identified within the lungs bilaterally .
    OUTPUT:
    
No acute cardiopulmonary process .