Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The size of the cardiomediastinal silhouette is unchanged including widening of the upper mediastinum . There are increasing predominantly perihilar and right lower lobe opacities , possibly reflective of pulmonary edema . Underlying infection can not be excluded in the proper clinical context . Airspace opacity in the left mid lung zone may correlate to the nodule described on the recent CT scan of the chest . Small bilateral pleural effusions are present . No pneumothorax identified .
    OUTPUT:
    
Increasing perihilar and right lower lobe opacities which can be seen in the context of worsening pulmonary edema however superimposed infection can not be excluded in the proper clinical context .