Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is top - normal . There is minimal left base atelectasis . No focal consolidation is seen . There is no large pleural effusion or pneumothorax . There is no definite evidence of free air beneath the diaphragms .
    OUTPUT:
    
Mild left base atelectasis . Otherwise no acute cardiopulmonary process . No definite free air beneath the diaphragms .