Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size remains moderately enlarged , and the mediastinal and hilar contours are stable . There is no pulmonary edema . Hazy opacification in the right lung base is nonspecific , and could reflect an area of atelectasis or infection . Left lung is clear . No focal consolidation , pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Hazy opacity in the right lung base is nonspecific and could reflect an area of atelectasis , inflammation or infection .