Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views the chest were provided . Evaluation somewhat limited due to underpenetration and low lung volumes . There is mild left basal atelectasis . No focal consolidation concerning for pneumonia . No large effusion or pneumothorax . No overt signs of edema . Cardiomediastinal silhouette appear similar to recent chest CT . Bony structures intact .
    OUTPUT:
    
Mild left basal atelectasis . No overt signs of pneumonia or edema .