Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An irregularity in the left anterolateral third rib better appreciated on the preceding study may represent a nondisplaced fracture . The known T11 fracture can not be assessed on this study . Low inspiratory lung volumes with slight elevation of the left hemidiaphragm is likely due to suboptimal inspiration with associated atelectasis at the left lung base . The lungs are otherwise clear without large pleural effusion , focal consolidation or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Possible nondisplaced fracture of the left anterolateral third rib .