Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left apical consolidation is new since the prior study , raising concern for pneumonia . Right lower lobe consolidation has resolved . Chain sutures are seen in the right mid to lower lung . The lungs are hyperinflated with flattening of the diaphragms and increased AP diameter , consistent with chronic obstructive pulmonary disease . There is evidence of pulmonary emphysema . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Left apical consolidation is worrisome for pneumonia . Recommend follow - up radiographs after treatment to exclude an underlying pulmonary lesion . Improved right lower lobe consolidation . COPD and pulmonary emphysema .