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 remains mildly enlarged . Mediastinal contours are stable . No pulmonary edema is seen .
    OUTPUT:
    
No acute cardiopulmonary process . No definite displaced rib fracture although this study has low sensitivity for such . If high clinical concern for rib fracture , dedicated rib series or chest CT is more sensitive .