Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs remain hyperinflated , suggesting chronic obstructive pulmonary disease . There is slight blunting of the bilateral posterior costophrenic angles which may be due to atelectasis or trace pleural effusions . No focal consolidation is seen . There is no pneumothorax . The cardiac and mediastinal silhouettes are stable . Bilateral glenohumeral joint degenerative changes are partially imaged .
    OUTPUT:
    
COPD . Slight blunting of the bilateral posterior costophrenic angles may be due to atelectasis but trace pleural effusions are not excluded . No focal consolidation to suggest pneumonia .