Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior radiograph , the PICC line has been removed . The lung volumes remain low . There is persistent left pleural thickening related to pre-existing left - sided rib fractures with callus formation compatible with old healed rib fractures . A healed right posterior seventh rib fracture is also noted . The appearance of the rib fracture is unchanged from the most recent prior study . There is no focal consolidation concerning for pneumonia . No large pleural effusion or pneumothorax is detected . The cardiomediastinal and hilar contours are within normal limits and unchanged . Anterior wedge deformity again seen at T12 , unchanged in height since ___ .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Unchanged healed left - sided rib fractures with subsequent local pleural thickening .