Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky linear opacities are again seen , similar to prior and may be due to atelectasis . There is no confluent consolidation . Costophrenic angles are sharp . The cardiomediastinal silhouette is within normal limits . Rounded calcific density overlying the anterior left seventh rib is compatible with calcification at the costochondral junction . No acute osseous abnormality is detected .
    OUTPUT:
    
No focal consolidations to suggest pneumonia .