Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates at the junction of the SVC and right atrium . Heart size is mildly enlarged . Aorta is mildly tortuous . Hilar contours are otherwise unremarkable . Pulmonary vasculature is not engorged . Lungs are clear . Very small new left pleural effusion . No acute osseous abnormality is visualized .
    OUTPUT:
    
There is small new left pleural effusion . Lungs are otherwise unchanged .