Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . There is persistent small left - sided pleural effusion . Prior right effusion is no longer visualized . Left - sided volume loss is compatible with prior left upper lobectomy . The lungs are hyperinflated but clear of consolidation or pulmonary edema . The cardiomediastinal silhouette is within normal limits . Aortic Corevalve again noted as well as atherosclerotic calcifications at the aortic arch . No acute osseous abnormalities .
    OUTPUT:
    
Small persistent left - sided pleural effusion with resolution of previously seen right pleural effusion . No superimposed acute cardiopulmonary process .