Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Significant opacification of the lingula causes silhouetting of the left heart border . The remainder of the airspaces are clear . Some enlargement of the heart is noted but is incompletely evaluated due to the overlying infiltrate . The pulmonary vessels are normal and there is no pulmonary edema . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Lingular pneumonia . Repeating the radiograph after treatment can help evaluate for underlying mass or other airway obstructing lesions . 2 . Some enlargement of the heart is incompletely evaluated due to the overlying infiltrate . The above results were communicated via telephone by Dr . ___ to Dr . ___ , ___ , at 2 :45 p .m . on ___ , 5 minutes after discovery .