Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous and calcified . Chain sutures are seen along the right hilum and right suprahilar region compatible with prior lobectomy . Hilar contours are normal , and no pulmonary vascular congestion is seen . Lung volumes are low . Patchy opacity within the left lung base may reflect atelectasis . Right - sided pleural thickening with patchy opacity in the right lung base appears relatively similar , perhaps scarring or atelectasis . No pleural effusion or pneumothorax is seen . There is been resection of the right fifth rib .
    OUTPUT:
    
Postsurgical changes in the right chest from prior lobectomy . Similar appearance of right lateral pleural thickening with patchy bibasilar opacities , possibly atelectasis and / or scarring . Infection in the left lung base can not be completely excluded .