Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Fibrosis of the mid to upper lung zones is again seen , stable to possibly minimally progressed as compared to the prior study . Calcified central lymph nodes are seen . Constellation of findings are consistent with sarcoidosis , similar in appearance as compared to the prior study . No definite new focal consolidation . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Similar appearance of the lungs consistent was sarcoidosis . .