Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly has been stable compared to the prior exam from ___ . There is an interval increase in pulmonary vascular congestion , and mild to moderate pulmonary edema compared to the prior exam . There is no pleural effusion , or pneumothorax .
    OUTPUT:
    
Mild to moderate pulmonary edema .