Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable supine view of the chest . Chronic collapse of the left lower lobe is noted with persistent hazy opacity in the left upper lobe which remains concerning for pneumonia , possibly aspiration related . The right lung appears grossly clear . The cardiomediastinal silhouette is stable . No large effusion or pneumothorax is seen . The bony structures are intact . A metallic density again noted to project over the right lung base .
    OUTPUT:
    
Chronic collapse of the left lower lobe with persistent left lung hazy opacity concerning for pneumonia , aspiration .