Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is some persistent partially loculated left pleural effusion with loculated areas best seen on the lateral view projecting over the region of the fissure and posteriorly . Enlargement of the cardiomediastinal silhouette is unchanged , some of which can be accounted for by a known adenopathy . There is no definite new consolidation . Increased interstitial markings in the lungs may be in part due to chronic underlying interstitial show process and mild superimposed edema .
    OUTPUT:
    
Known loculated left pleural effusion and mediastinal adenopathy . Probable mild edema . No definite new focal consolidation .