Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . Heart size is top normal and upper mediastinal contours are stable . Pulmonary vascular markings are indistinct , consistent with pulmonary edema . New bilateral lung base opacities are consistent with a large right and moderate left pleural effusion . Increased retrocardiac opacity may represent atelectasis or infection .
    OUTPUT:
    
New large right and moderate left pleural effusions . New retrocardiac opacity is most consistent with atelectasis , though infection may be considered in the appropriate clinical setting . Findings were communicated via phone call by Dr . ___ to Dr . ___ on ___ at ___ PM .