Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Faint opacities at the right lung base not previously seen on ___ . No pleural effusion or pneumothorax is detected . Biapical pleural thickening is unchanged . Mild pulmonary vascular congestion is stable without overt pulmonary edema . The cardiac silhouette is moderately enlarged but stable . The mediastinal and hilar contours are unchanged with prominence of the left main pulmonary artery , similar in appearance to ___ . The thoracic aorta is tortuous with dense calcification at the aortic knob as seen previously . The visualized upper abdomen shows no free air beneath the right hemidiaphragm .
    OUTPUT:
    
1 . Opacities in the right lung base , not previously seen on ___ be atelectasis , or potentially developing pneumonia . Two view chest xray melp help characterize . 2 . Stable cardiomegaly with mild pulmonary vascular congestion .