Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 3 mm tiny rounded opacity projecting over the anterior lateral left fifth rib is stable since at least ___ and therefore benign . No focal consolidation is seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .