Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is no significant interval change since the prior study . Subtle opacity is again seen projecting over the right upper lung , which is similar as compared to the prior study , slightly more apparent as compared to ___ . Given likely pulmonary emphysema in this patient , recommend followup chest CT for further evaluation . Relative lucency projecting over the left upper - to - mid lung likely relates to pulmonary emphysema . The lungs are hyperinflated with flattening of the diaphragms consistent with COPD . Right basilar opacity is slightly less confluent as compared to the prior study . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Subtle opacity projecting over the right upper lung in this patient with pulmonary emphysema , if this has not been further worked up , recommend non-urgent chest CT for further evaluation . No definite new focal consolidation .