Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new opacity within the right lung base which is concerning for pneumonia given patient 's clinical symptoms and leukocytosis . Linear opacity overlying a chronically elevated left hemidiaphragm may be related atelectasis . The upper lungs are clear . There is no pneumothorax . Mediastinal and hilar contours are within normal limits . Surgical clips overlie the midline upper abdomen .
    OUTPUT:
    
New right lower lobe opacity concerning for pneumonia .