Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral perihilar opacities are noted . There is no large pleural effusion . No pneumothorax . There is mild cardiomegaly . Atherosclerotic calcifications noted at the aortic arch .
    OUTPUT:
    
Perihilar opacities suggestive of pulmonary edema . Possibility of bilateral infection could be considered .