Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . The lungs are clear . There is no pneumothorax or pleural effusion . The osseous structures are unremarkable left - sided PICC line with tip in the distal SVC is again visualized . Free air is visualized under the left hemidiaphragm compatible with recent abdominal surgery
    OUTPUT:
    
No acute cardiopulmonary abnormalities Free air is visualized under the left hemidiaphragm compatible with recent abdominal surgery