Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is stable compared to exams dating back to ___ . There is an interval increase in perihilar opacities , right greater than left compared to the prior exam from ___ . Sternal wires appear to be intact . There is no large pleural effusion or pneumothorax . There is mild left basilar atelectasis . The patient is status post aortic valve replacement .
    OUTPUT:
    
Interval increase in perihilar opacities , right greater than left compared to the prior exam from ___ . This is likely secondary to pulmonary edema and / or valvular dysfunction .