Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest demonstrate a transverse fracture involving the posterior aspect of the left fifth rib , which is minimally displaced . No additional fractures are identified . There is no pneumothorax . Lungs appear well aerated without focal consolidation or pleural effusion . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . There is no pulmonary edema . Partially imaged upper abdomen is unremarkable . Several surgical clips project over posterior elements of the spine on the lateral view .
    OUTPUT:
    
A minimally displaced fracture involving posterior left fifth rib . No pneumothorax .