Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes without pleural effusion , focal consolidation or pneumothorax . The hilar and mediastinal silhouettes are normal . Heart size is normal . There is no pulmonary edema . No free intra - peritoneal air is noted .
    OUTPUT:
    
1 . No evidence of free intraperitoneal air . 2 . Clear lungs .