Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright portable view of the chest demonstrates normal lung volumes . There is no pleural effusion , focal consolidation or pneumothorax . The hilar and mediastinal silhouettes are normal . There is no pulmonary edema . Heart size is normal . No free air is identified . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
1 . No evidence of free air . 2 . No acute cardiopulmonary process .