Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since chest radiograph obtained ___ , in the right basal atelectasis is minimally improved and pleural thickening adjacent to the right lateral lung is unchanged . Mild elevation left hemidiaphragm is unchanged . Lungs are otherwise fully expanded and clear without consolidations or effusions . Heart size is normal . No pulmonary vascular congestion or pulmonary edema . Cardiomediastinal and hilar silhouettes are normal . Single chamber pacemaker in unchanged position . Median sternotomy wires are midline and intact .
    OUTPUT:
    
No radiographic evidence of pneumonia or other acute cardiopulmonary abnormalities . Right pleural thickening is unchanged since at least ___ .