Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small left pleural effusion with adjacent atelectasis . Prominence of the cardiac silhouette is due to mediastinal fat as noted on the recent chest CT . There is no focal consolidation or pneumothorax . There is no overt pulmonary edema . The thoracic aorta is mildly tortuous .
    OUTPUT:
    
There is a small left pleural effusion with adjacent atelectasis , infection not excluded .