Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Tracheostomy tube is identified in place , tip approximately 2 cm from the carina . Relatively low lung volumes are seen . Left basilar streaky opacity is seen . This could potentially be due to atelectasis although infection or aspiration is also possible . Elsewhere the lungs are clear of consolidation . There is no effusion . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the aortic arch . Median sternotomy wires and mediastinal clips are noted . No acute osseous abnormality detected .
    OUTPUT:
    
Streaky left basilar opacity , potentially atelectasis noting infection or aspiration is not excluded .