Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral central venous lines appear unchanged with tip of right hemodialysis catheter in right atrium and tip of left subclavian line 6 cm below the carina in the cavoatrial junction . Diffuse increase in opacities bilaterally suggesting interstitial pattern . Left medial portion of the hemidiaphragm is not seen with increased opacification posterior to the heart with air bronchograms suggesting left lower lobe volume loss . No pneumothorax . No bony abnormality is detected .
    OUTPUT:
    
Diffuse pulmonary change slightly progressed from ___ may represent pneumonia in the appropriate clinical setting .