Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . Indistinct pulmonary vascular markings are again seen as well as more confluent infrahilar opacity on the right suggesting pulmonary edema . There is a small right - sided pleural effusion . Cardiac silhouette is enlarged but unchanged from prior .
    OUTPUT:
    
Mild to moderate pulmonary edema worse when compared to previous exam from ___ taking into account differences in technique .