Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Since ___ there has been interval decrease in bilateral lower zone parenchymal opacities , with reduced central pulmonary vascular congestion . There is no pneumothorax . Tiny left pleural effusion is unchanged . A Swan - ___ catheter and left IJ central venous catheter are unchanged in position . The mediastinal and hilar contours remain within normal limits .
    OUTPUT:
    
Reduced pulmonary vascular congestion and decreased edema . No new superimposed consolidation .