Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy . Right - sided Port - A - Cath tip terminates in the upper SVC , unchanged . Cardiac silhouette remains moderately enlarged but unchanged . Multiple calcified mediastinal lymph nodes are again demonstrated suggestive prior granulomatous disease . The mediastinal and hilar contours are otherwise unremarkable . Lung volumes are persistently low with streaky atelectasis seen in the right lung base . No focal consolidation , pleural effusion or pneumothorax is seen . The pulmonary vasculature is not engorged .
    OUTPUT:
    
Persistently low lung volumes with streaky right basilar atelectasis .