Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable and unremarkable . No pulmonary edema is seen . No acute fracture is seen . There is stable appearance of the left ___ and 6th ribs , stable since at least ___ .
    OUTPUT:
    
No acute cardiopulmonary process .