Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate normal lung volumes . No pleural effusion , focal consolidation or pneumothorax is seen . Hilar and mediastinal silhouettes are unremarkable . Aortic arch calcifications are present . Heart size is top normal . Mild perihilar vascular congestion is longstanding .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .