Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . When compared to previous exam , there has been no significant interval change . Again seen is cardiomegaly . Right basilar opacity lateral to the cardiac silhouette could represent focal atelectasis especially given lower lung volumes . Elsewhere the lungs are clear . There is no effusion . Median sternotomy wires again seen . Tortuosity of the descending thoracic aorta again seen . Hypertrophic changes are seen in the spine .
    OUTPUT:
    
No definite interval change . Streaky right basilar opacity potentially atelectasis especially given slightly lower lung volumes noting that infection is not completely excluded .