Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Based on this portable film , there has been no significant interval change . Biapical fibrotic changes mediastinal and hilar adenopathy are compatible with patient 's known diagnosis of sarcoidosis . There is no superimposed acute consolidation . Cardiac silhouette is unchanged .
    OUTPUT:
    
Chronic changes compatible with patient 's known sarcoidosis without visualized superimposed acute cardiopulmonary process .