Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are trace bilateral pleural effusions . Pulmonary vascular congestion . Mild left mid lung and right base opacities are seen which could be due to multifocal infection versus component of vascular congestion . No pneumothorax is seen . Cardiac silhouette is top - normal in size . Aortic knob is calcified . Degenerative changes along the spine .
    OUTPUT:
    
Trace bilateral pleural effusions . Pulmonary vascular congestion . Mild left mid lung and right base opacities could be due to multifocal infection versus related to vascular congestion .