Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . Mediastinal and hilar contours are unchanged with mild unfolding of the thoracic aorta again noted . Pulmonary vasculature is not engorged . Lungs are clear . No pleural effusion or pneumothorax is present . Right - sided PICC is re - demonstrated with tip terminating at the confluence of the brachiocephalic veins . Inferior vena cava filter is also noted projecting over the upper right mid abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .