Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Tiny coils project over the medial right hemi thorax . Mild left basal atelectasis noted . No focal consolidation , effusion or pneumothorax noted . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact .
    OUTPUT:
    
Mild left basal atelectasis . No pneumonia or CHF .