Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There are streaky left basilar / retrocardiac opacities , potentially due to atelectasis . Elsewhere , the lungs are clear . There is no effusion or pulmonary vascular congestion . Cardiomediastinal silhouette is within normal limits . Median sternotomy wires and mediastinal clips again seen . Enteric tube seen passing below the inferior field of view .
    OUTPUT:
    
Streaky left basilar opacities , likely atelectasis , although infection can not be entirely excluded . Please clinically correlate .