Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral views of the chest provided . Lung volumes are somewhat low with minimal basilar atelectasis . No convincing evidence for pneumonia or edema . No large effusion or pneumothorax . The cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
Mild basilar atelectasis , no convincing evidence for pneumonia .