Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lungs are well expanded and clear . There are no focal consolidations or pleural effusions . There is no pneumothorax . A pigtail catheter is seen projecting over the left upper quadrant . Visualized osseous structures are grossly unremarkable .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process .