Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip 4 .5 cm above carina . Enteric tube tip in the mid stomach . Right Port - A - Cath tip near cavoatrial junction . Postoperative changes in the upper abdomen with drains , ___ , IVC filter in place . Lungs are clear . Normal heart size , pulmonary vascularity . No effusion . No pneumothorax .
    OUTPUT:
    
Postoperative changes . No acute cardiopulmonary changes .