Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the lungs are well expanded and clear , with no evidence of pneumothorax , pleural effusion , pulmonary edema , or focal consolidation . Cardiomediastinal silhouette is unremarkable . No displaced rib fractures are identified . Chronic - appearing irregularity of the bilateral acromioclavicular joints is likely not related to acute trauma .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced rib fracture identified .