Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate low lung volumes . There has been interval decrease in the degree of patchy opacification of the right hilar region as well as resolution of the small right pleural effusion . There is no evidence of pulmonary edema , pneumothorax , or focal consolidation . Heart size is normal .
    OUTPUT:
    
Interval decrease in degree of patchy opacification of the right hilar region as well as resolution of small right pleural effusion .