Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the lateral view there is increased opacity projecting over the anterior margin of the cardiac silhouette , likely localizes to the left of the frontal view . Elsewhere , lungs are clear . There is no pneumothorax , pleural effusion , or pulmonary edema . The cardiomediastinal silhouette , hilar contours , pleural surfaces are normal .
    OUTPUT:
    
Opacity projecting over the lingula could represent pneumonia in the proper clinical setting . Repeat after treatment suggested