Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a rounded opacity projecting over the fourth anterior rib on the left , which was not seen on the prior radiograph . There is no other focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . The remainder of the osseous structures are unremarkable .
    OUTPUT:
    
Rounded opacity projecting over the left fourth anterior rib . Recommend repeat PA and oblique radiographs for further evaluation . These findings were discussed with ___ by Dr . ___ ___ telephone at 11 a .m .