Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is rotated somewhat to the left . Left base opacity is likely due to combination of pleural effusion and atelectasis , underlying consolidation is not excluded . There is mild to moderate pulmonary edema . No pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Left base opacity may be due to combination of pleural effusion and atelectasis , but underlying consolidation not excluded . Mild to moderate pulmonary edema .