Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate similar size to globose enlargement of the cardiac silhouette consistent with known pericardial effusion , accounting for differences in technique . Linear atelectasis and retrocardiac opacity is not significantly changed from ___ . There are small bilateral pleural effusions , also unchanged . The mediastinal contours remain normal . The pulmonary vasculature is normal .
    OUTPUT:
    
Unchanged enlargement of the cardiac silhouette from pericardial effusion , small bilateral pleural effusions , and basilar atelectasis , without pulmonary edema .