Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient 's condition required examination in AP sitting frontal view and left lateral view . Comparison is made with the preceding similar study of ___ . Cardiomegaly persists of at least moderate degree . Thoracic aorta is mildly widened but no local contour abnormalities identified . Small metallic surgical clips overlying the mediastinal structures at the level of the carina and identified on the lateral view in the region of the superior thoracic spine close to the fifth rib . The pulmonary vasculature has undergone a remarkable improvement in comparison with the previous study where there was a clear perivascular haze and distended pulmonary vasculature as well as bilateral pleural effusions all consistent with CHF . On today 's examination there remains a mild degree of pleural blunting in the right lateral pleural sinus but the left - sided pleural sinus in the posterior areas remains free . No new discrete parenchymal infiltrates can be identified .
    OUTPUT:
    
Improvement of previously diagnosed CHF , no remaining pulmonary congestion and only small amount of right - sided pleural effusion remaining . No new infiltrates .