Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . There are streaky left basilar opacities suggestive of atelectasis . Elsewhere , the lungs are clear without consolidation , large effusion or pulmonary vascular congestion . The cardiomediastinal silhouette is within normal limits . Median sternotomy wires are noted with fracture through the inferiormost wire .
    OUTPUT:
    
No acute cardiopulmonary process .