Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left basal pleural drainage to is in similar position . Left small apical pneumothorax is unchanged . Median sternotomy wires remain intact and tunneled dialysis catheter in the right atrium . Mild interstitial edema has not significantly changed when compared to the prior examination . There remains moderate to severe cardiomegaly with retrocardiac opacity and small effusion .
    OUTPUT:
    
Mild interstitial edema and left apical pneumothorax are stable .