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 . There is no evidence of pleural effusion , pulmonary edema , pneumothorax or focal consolidation concerning for pneumonia . There is no subdiaphragmatic free air .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No subdiaphragmatic free air .