Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is near complete opacification of the right hemi thorax with only small amount of aeration seen . There is mild shift of the mediastinum to the left . The left lung is clear . There is no left pleural effusion . No pneumothorax is seen . The aorta is calcified . The bones are diffusely osteopenic . Degenerative changes at the left shoulder are seen , including high right imaged humeral head which can be seen rotator cuff disease .
    OUTPUT:
    
Near complete opacification of the right hemi thorax with only small amount of aeration seen and with mild leftward mediastinal shift suggest pleural effusion with atelectasis , underlying consolidation may be present , underlying pulmonary lesion not excluded . The left lung is clear .