Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded and clear without focal opacity to suggest pneumonia . A left Port - A - Cath has its tip terminating near the superior cavoatrial junction . Tracheostomy tube terminates approximately 3 .6 cm from the carina . The cardiomediastinal silhouette , hilar contours and pleural surfaces are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary abnormality .