Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right chest port terminates in the mid SVC . A left hemodialysis line ends in the region of the cavoatrial junction . There is moderate cardiomegaly and mild pulmonary edema .
    OUTPUT:
    
1 . A retrocardiac opacity in the appropriate clinical setting may represent pneumonia . 2 . Mild pulmonary edema .