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 unremarkable . Surgical clips are seen projecting over the left lung , compatible with patient 's known history of breast surgery .
    OUTPUT:
    
No acute cardiopulmonary process . While there is no evidence of mediastinal widening , evaluation for aortic dissection is limited on radiograph . If clinically indicated , CTA would be most appropriate modality .