Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to most recent chest x-ray from ___ , a left chest Port - A - Cath is in unchanged position with distal tip projecting over the right atrium . The cardiomediastinal silhouettes are stable and within normal limits . The bilateral hila are unremarkable . The lungs are clear . There is no pulmonary vascular congestion . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary abnormality .