Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A rounded structure in the left suprahilar region is consistent with an external pendant , and removed on repeat frontal view . The cardiomediastinal silhouette is within normal limits . The lungs are clear with the exception of trace left basilar atelectasis . There is no large effusion , vascular congestion , or pleural effusion . A subcentimeter radiodensity overlying the left posterior seventh rib is consistent with a calcified granuloma .
    OUTPUT:
    
No acute cardiopulmonary process .