Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is improving aeration at both lung bases with a faint residual opacity at the right lung base which could represent resolving pneumonia . The cardiomediastinal and hilar contours are within normal limits and stable . There is no pneumothorax or pulmonary edema .
    OUTPUT:
    
Improving bibasilar aeration with faint residual right lower opacity consistent with resolving pneumonia .