Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Low lung volumes limits assessment . There is a no convincing evidence for pneumonia . There is likely streaky lower lung atelectasis . No large effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact .
    OUTPUT:
    
No convincing evidence for pneumonia . Mild atelectasis in the lower lungs .