Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Single lead pacemaker is unchanged with lead extending to the region of the right ventricle . Again noted , is a large right pleural effusion . Associated compressive atelectasis in the right middle and lower lobes is again seen . Left lung is essentially clear without large effusion or focal consolidation . Mild interstitial edema is present . The heart remains enlarged . No pneumothorax . Right rib fractures are better assessed on prior CT .
    OUTPUT:
    
Stable cardiomegaly with large right pleural effusion and lower lobe consolidation likely atelectasis . Mild interstitial edema persists . Right rib fractures .