Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild peripheral predominant reticular opacities are consistent with patient 's history of NSIP . No superimposed consolidation is identified . Chest radiographic findings are unchanged compared to prior examination of ___ . There is no overt superimposed pulmonary edema or large pleural effusions . Cardiomediastinal and hilar contours are unchanged . There is no pneumothorax .
    OUTPUT:
    
Unchanged background of fibrotic lung disease without superimposed acute cardiopulmonary process .