Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left internal jugular hemodialysis catheter is noted in the distal SVC . The heart is enlarged . There is increased asymmetric parenchymal opacity greater on the right . There is no effusion or pneumothorax .
    OUTPUT:
    
Asymmetric parenchymal opacity greater on the right which likely reflects pulmonary edema . The differential diagnosis includes hemorrhage and infection .