Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The study is limited due to patient 's inability to cooperate . The left hemidiaphragm appears elevated of unknown chronicity . Increased opacities are noted overlying the left mid lung and may be representative of an infectious process in the proper clinical setting . The right hemithorax is clear . Aorta appears somewhat tortuous . No acute fractures are identified .
    OUTPUT:
    
Limited study due to patient positioning demonstrates increased opacities overlying the left mid lung which may represent an infectious process in the proper clinical setting or atelectasis . There is elevation of the left hemidiaphragm of unknown chronicity .