Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left Port - A - Cath terminates in the low SVC the lungs are normally expanded with only minimal atelectasis of the lung bases . The cardiomediastinal silhouette , hilar contours and pleural surfaces are normal . There is no pleural effusion or pneumothorax . There is collapse of the superior endplate of L1 grossly unchanged since CT of ___ .
    OUTPUT:
    
No acute cardiopulmonary abnormality .