Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a moderate right , partially loculated pleural effusion . No appreciable left pleural effusion is seen . As compared to the prior examination , there is interval increase in degree of airspace opacification involving the right lower lung . Moderate pulmonary vascular congestion and interstitial edema is noted . Moderate cardiomegaly is present .
    OUTPUT:
    
1 . Increased opacification at the right lung base may represent asymmetrical edema versus superimposed infection . 2 . Moderate cardiomegaly and pulmonary vascular congestion / edema . 3 . Stable appearance of a partially loculated right pleural effusion .