Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . Cardiomediastinal silhouette is within normal limits given patient 's rotation to the left . Peripherally calcified bilateral breast implants are noted . Mid thoracic dextroscoliosis is noted . There is apparent expansion and sclerosis of the left likely eighth rib , which is nonspecific , and seen on prior exam . Multiple prior laminectomies are better seen on prior exam .
    OUTPUT:
    
No acute cardiopulmonary process . Slight expansion sclerosis of a posterior left rib , likely ___ , likely present on prior exam from CT abdomen in ___ based on lateral scout view . This is nonspecific and could be due to entities such as fibrous dysplasia . If patient has history of malignancy however , additional imaging could be considered .