Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . There is no overt pulmonary edema . Evidence of an old left - sided rib fracture , left seventh rib fracture is again seen .
    OUTPUT:
    
No acute cardiopulmonary process .