Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . The cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pulmonary edema , pneumothorax , or focal airspace consolidation . No subdiaphragmatic free air is noted . Gas-filled loops of transverse and descending colon are noted in the left upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary pathology . No subdiaphragmatic free air .