Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously described areas of fibrosis in the right mid lung have slightly progressed with shift of the mediastinal structures towards the right . Additionally , there is a more confluent appearance to the opacity in the right mid lung which projects to the lower portions of the right upper lobe as well as the right middle lobe . There is elevation of the right hemidiaphragm with right basilar atelectasis but no large pleural effusion or pneumothorax . Clips in the right upper quadrant of the abdomen are compatible with prior cholecystectomy .
    OUTPUT:
    
Progression of right mid lung fibrosis with mediastinal shift and right hemidiaphragmatic elevation .