Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were reviewed . There is a large left pleural effusion and left lower lobe collapse and a smaller volume of right lower lobe atelectasis . The left upper lobe is overinflated . There is no pneumothorax . Heart size is normal . Aortic contour is poorly defined , and should be reevaluated after reversal of atelectasis .
    OUTPUT:
    
1 . Large left pleural effusion , left lower lobe collapse , and small right lower lobe atelectasis . 2 . Abnormality of the aortic contour could be due to atelectasis ; however , followup radiograph after treatment of the atelectasis is recommended to evaluate the aortic contour .