Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased lucency at the lung apices is compatible with patient 's history of known COPD . There are increased bibasilar opacities at the lung bases seen on both the frontal and lateral views which are new since remote prior . Superiorly the lungs are clear of consolidation . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Known underlying COPD . Bibasilar opacities which could be due to atelectasis or potentially infection in the proper clinical setting .