Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is mild bilateral lower lobe atelectasis without definite focal consolidation . No pleural effusion is seen . There is no pneumothorax . Chronic - appearing changes are seen at the right lung apex , possibly emphysematous . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
No definite focal consolidation to suggest pneumonia , although comparison with priors would be helpful .