Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Left lower lobe opacity is severe . There is mild - to - moderate right fissural fluid . There is mild pulmonary vascular congestion and trace interstitial edema . Hazy opacity in the right lower lobe is likely due to a combination of edema and atelectasis . There is no pneumothorax . The cardiomediastinal silhouette is similar to prior . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . Right arm stent and IVC stent are partially evaluated . Bilateral pleural effusion is most likely moderate .
    OUTPUT:
    
1 . Severe left lower lobe opacity could be due to atelectasis and / or pneumonia . 2 . Right lower lobe hazy opacity is likely due to a combination of edema and atelectasis , but superimposed infection could be present . 3 . Trace interstitial edema . 4 . Bilateral pleural effusions , most likely moderate .