Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes . There is no pleural effusion , focal consolidation or pneumothorax . Hilar and mediastinal silhouettes are unchanged . The heart size is normal . There is no pulmonary edema . Scarring involving the right lung base is stable . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .