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 , and the cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pulmonary edema , pneumothorax , or focal consolidation concerning for pneumonia . Minimal subsegmental left basilar atelectasis is present . There is no subdiaphragmatic free air .
    OUTPUT:
    
No acute cardiopulmonary process .