Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are unremarkable . A tracheostomy is appropriately placed . A left Port - A - Cath is seen with the tip at the cavoatrial junction . Air distended colonic loops are noted in the left upper abdomen , similar to prior exam from ___ .
    OUTPUT:
    
No acute cardiopulmonary process