Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior CT scan dated ___ , there is increased consolidation at the left lung base associated with pleural effusion . Left basilar consolidation may reflect atelectasis and or pneumonia . Extensive pleural calcifications noted on the right which is unchanged as is the right apical scarring and pleural thickening . The heart remains mildly enlarged with pacer leads extending into the expected location of the right atrium and right ventricle . There is no pneumothorax .
    OUTPUT:
    
Increasing consolidation and effusion at the left lung base which may represent atelectasis and or pneumonia . Otherwise , no significant change .