Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is prominent bilateral perihilar opacity and peripheral Kerley B lines consistent with pulmonary edema most likely secondary to failure . No pleural effusions are seen . There is no cardiomegaly . Pleural surfaces are unremarkable and there is no pneumothorax .
    OUTPUT:
    
Pulmonary edema secondary to heart failure .