Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is seen . Rounded opacity projecting over the left lower chest was also seen on ___ , stable and most likely represents nipple shadow . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable in stable . . Chronic appearing left - sided rib deformities are re - demonstrated .
    OUTPUT:
    
No acute cardiopulmonary process .