Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a calcification overlying the right sixth rib measuring up to 1 .1 cm , unchanged compared to the prior exam . The heart size is normal . The hilar and mediastinal contours are normal . No focal consolidation concerning for infection is identified . There is minimal left basilar atelectasis . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No pneumonia , lung abscess , or pleural effusion .