Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were provided . Compared to the most recent prior study , there has been no significant change . There is no focal consolidation , pleural effusion or pneumothorax . There is no overt pulmonary edema . Moderate cardiomegaly and elevation of the right hemidiaphragm persists . The imaged upper abdomen is unremarkable . There are degenerative changes in the thoracic spine .
    OUTPUT:
    
No significant change since the prior study with no evidence of pneumonia or CHF .