Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is obscuration of the left hemidiaphragm which may be due to atelectasis although pleural effusion or underlying consolidation not excluded . No right pleural effusion is seen . There is no pneumothorax . Biapical pleural thickening is seen . The lungs remain hyperinflated with relative lucency of the upper lungs , suggesting chronic obstructive pulmonary disease . The cardiac and mediastinal silhouettes are stable . Aortic calcifications are seen . Seen . No overt pulmonary edema . The bones are diffusely osteopenic . Chronic changes at the partially imaged right glenohumeral joint are noted .
    OUTPUT:
    
Obscuration of the left hemidiaphragm may be due to atelectasis although pleural effusion or underlying consolidation not excluded .