Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are changes of right middle and lower lobectomy , with ipsilateral mediastinal shift and elevation of the right hemidiaphragm . There is a persistent small right pleural effusion with associated pleural thickening . However , no focal consolidation is present , and the left lung is clear . Cardiomediastinal silhouette is within normal limits . Mild degenerative changes are noted in the bilateral acromioclavicular joints .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Right lobectomy changes , with persistent small effusion .