Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 10 :22 is submitted .
    OUTPUT:
    
Bilateral layering effusions with predominantly mid and lower lung airspace opacities with a more consolidative appearance in the retrocardiac region not significantly changed since ___ . Stable cardiac enlargement . Central pulmonary vascular congestion with no overt pulmonary edema . No pneumothorax .