Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Opacification in the left lower lobe persists but appears improved from the prior exam , compatible with improvement in the left pleural effusion and atelectasis . Decreased enlargement of the cardiomediastinal silhouette postoperatively . No mediastinal widening . Right jugular line ends in the region the cavoatrial junction , unchanged . No pneumothorax or overt pulmonary edema .
    OUTPUT:
    
1 . Decreased left lower lung atelectasis and left pleural effusion since ___ . 2 . Decrease in cardiomegaly .