Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No priors available for comparison . The patient is rotated to the left . There is near complete opacification of the left hemithorax , with shift of the mediastinum into the left hemithorax . A surgical clip is seen in the left upper lung . The right lung is clear , with no focal consolidation , effusion or pneumothorax . Heart size is difficult to assess given mediastinal shift .
    OUTPUT:
    
Right lung is clear . Left lung is not well evaluated due to patient rotation and near complete opacification of left hemithorax with mediastinal shift to the left . Although patient has a history of left lobectomy , without prior imaging available for comparison , chronicity of these findings and exclusion acute left lung process is difficult .