Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The lungs are hyperlucent suggesting emphysema . Right super hilar opacity is incompletely assessed . No large effusion or pneumothorax . Cardiomediastinal silhouette is grossly unremarkable though calcification of the aorta is noted . Bony structures appear grossly intact .
    OUTPUT:
    
Left suprahilar opacity incompletely characterized . Please correlate with prior imaging studies in this patient with known lung cancer .