Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a moderate right pleural effusion and bibasilar opacity , likely atelectasis . The cardiac silhouette is enlarged . The pulmonary vasculature is mildly engorged . There is calcification of the aortic knob , the mediastinal contours are otherwise unremarkable . There is degenerative change of the lumbar spine .
    OUTPUT:
    
Moderate right pleural effusion and basilar atelectasis . Moderate cardiomegaly and / or pericardial effusion and mild congestive heart failure .