Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a heterogeneous opacity in the right lower lobe . Cardiomediastinal and hilar contours are unchanged . Note is made of a left - sided Bochdalek 's hernia . Scarring is seen at the right greater than left lung apices . No pneumothorax .
    OUTPUT:
    
Right lower lobe pneumonia .