Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assessment is limited by patient positioning and the patient 's neck and chin obscuring assessment of the lung apices . Low lung volumes are present . Left - sided dual - chamber pacemaker device with leads main and right atrium right ventricle is re - demonstrated . Heart size remains moderately enlarged . The aorta is tortuous , as seen previously . Crowding of bronchovascular structures is present without gross pulmonary edema . Streaky bibasilar airspace opacities likely reflect areas of atelectasis . No large pleural effusion or pneumothorax is present . Loss of height 2 adjacent mid thoracic vertebral body appears new in the interval , but likely chronic .
    OUTPUT:
    
1 . Limited study due to patient positioning . Low lung volumes with bibasilar atelectasis . 2 . Interval development of 2 mild compression deformities in the mid thoracic spine , likely chronic .