Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal . The mediastinal and hilar contours are unremarkable . Slight irregularity of the posterior lateral left 9th rib likely due to prior fracture . Expansion of the distal right clavicle is seen , not well evaluated , correlate for history of prior trauma at this site
    OUTPUT:
    
Clear lungs . No pulmonary edema . Possible prior fracture of the posterior lateral left 9th rib . Expansion of the distal right clavicle , not well evaluated , correlate for history of prior trauma at this site .