Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is moderately enlarged . There is pulmonary vascular redistribution with ill - defined vascularity and hazy alveolar infiltrates bilaterally compatible fluid overload . A more confluent area of infiltrate is seen in the right lower lobe laterally . Is unclear if this is due ___ positional volume loss or if there is a small early infiltrate in this region .
    OUTPUT:
    
Increased pulmonary edema . An underlying infectious infiltrate , particularly on the right can not be excluded