Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . There is pleural thickening along the lateral aspect of the left lung with associated calcified plaque , better seen on prior CT from ___ and not significantly changed compared to chest radiographs from ___ . ___ calcified pleural plaque is also noted at the left lung apex . Elevation of the lateral aspect of the left hemidiaphragm is not significantly changed . There is no focal consolidation . The heart size is normal . The mediastinal contours are normal . There is no pneumothorax . Multilevel degenerative changes of the thoracolumbar spine are noted .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Chronic changes in the left lung compatible with prior asbestos exposure , not significantly changed .