Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left basilar opacity , consistent with the prominent pericardial fat seen on the subsequent chest CT . There are areas of atelectasis in the right middle lobe and lingula . The lungs are otherwise clear . The hilar and mediastinal contours are normal . There is no pneumothorax or pleural effusion . Pulmonary vascularity appears normal . There are surgical clips in the left upper quadrant of the abdomen as well as chain sutures in the expected location of the stomach .
    OUTPUT:
    
No clear evidence of pneumonia , however , the chest is better evaluated on the subsequent CT .