Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate low lung volumes without pleural effusion , focal consolidation , or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Mild tortuosity of descending aorta is noted . Heart size is normal . There is no pulmonary edema . Partially imaged upper abdomen is unremarkable . There is no free air .
    OUTPUT:
    
1 . No free intraperitoneal air . 2 . No acute cardiopulmonary process .