Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear given bibasal atelectasis to the low lung volumes . There is no focal consolidation identified . There is no evidence of pneumonia , pneumothorax , or pleural effusion . Cardiac silhouette is likely exaggerated by the AP projection and low lung volumes .
    OUTPUT:
    
Given low lung volumes , no evidence of acute cardiopulmonary process .