Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is tortuous and calcified . The mediastinal and hilar contours are unremarkable . There is crowding of bronchovascular structures with mild pulmonary vascular engorgement . Emphysematous changes are noted within the lung apices . Patchy opacities in the lung bases likely reflect areas of atelectasis . No pleural effusion or pneumothorax is present . A surgical anchor is noted within the left humeral head .
    OUTPUT:
    
Low lung volumes with probable bibasilar atelectasis and mild pulmonary vascular engorgement .