Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated with flattening of the diaphragms suggestive of COPD . Heart size is normal . The aorta remains aneurysmally dilated and tortuous , unchanged . Pulmonary vascularity is not engorged . Ill - defined patchy opacity within the right lower lobe is concerning for pneumonia , and is new compared to the prior exam . Left lung is clear . No pleural effusion or pneumothorax is identified . Posttraumatic changes of the right acromioclavicular joint are re - demonstrated . There are no acute osseous abnormalities .
    OUTPUT:
    
Right lower lobe pneumonia . Follow up radiographs after treatment are recommended to ensure resolution of this finding .