Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate low lung volumes . There is no pleural effusion , focal consolidation or pneumothorax . The hilar and mediastinal silhouettes are unremarkable . Mild perihilar vascular congestion is noted . Heart size is normal . Partially imaged upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .