Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , which can be seen with chronic obstructive pulmonary disease . There appears to be blunting of the left costophrenic angle on the lateral view which could be due to pleural thickening or trace pleural effusion . No focal consolidation is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Hyperinflated lungs . Apparent blunting of the left costophrenic angle , most noted on the lateral view , may be due to pleural thickening versus a trace pleural effusion .