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 . No definite acute fracture is seen however if there is clinical concern for sternal fracture , CT is more sensitive .
    OUTPUT:
    
No acute cardiopulmonary process . No definite acute fracture is seen , however , if there is clinical concern for sternal fracture , CT is more sensitive .