Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . There is again noted to be significant elevation of the right hemidiaphragm . Spinal stabilization hardware is noted in the lower C - spine . There is subtle reticular opacity in the left lower lobe which could represent very early pneumonia in the right clinical setting . No large pleural effusion is seen . Heart size appears essentially stable , though the right heart border is obscured . Mediastinal contour is unchanged . Bony structures are intact . No definite signs of free air below the right hemidiaphragm .
    OUTPUT:
    
Elevated right hemidiaphragm , unchanged . Subtle reticular left lower lobe opacity may represent a very early pneumonia .