Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular central venous catheter terminates in the low SVC as before . Enteric tube courses into the stomach . Since the prior study the lungs appear better aerated bilaterally . Moderate right pleural effusion is slightly decreased . Left retrocardiac opacity is improving . The heart remains mildly enlarged . Mediastinal and hilar contours are stable . The aortic arch is calcified . There is no pneumothorax .
    OUTPUT:
    
Improving lung aeration bilaterally with resolving left retrocardiac opacity and decreasing size of moderate right pleural effusion .