Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are relatively hyperinflated , which can be seen in chronic obstructive pulmonary disease . Subtle rounded opacity projecting over the right lung base may relate to a nipple shadow which should be confirmed with repeat with nipple markers . Otherwise , no focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac silhouette is not enlarged . Aorta is calcified and tortuous . Degenerative changes are seen at the acromioclavicular joints and right shoulder .
    OUTPUT:
    
1 . Subtle rounded opacity projecting over the right lung base measuring approximately 2 .2 cm may relate to nipple shadow which should be confirmed with repeat frontal chest radiograph with nipple markers . No evidence of focal consolidation elsewhere . 2 . Relatively hyperinflated lungs can be seen with chronic obstructive pulmonary disease .