Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest PA and lateral radiograph demonstrates unremarkable mediastinal and hilar contours . Double right - sided heart contour is suggestive of left atrial enlargement . Coarsened interstitium is noted throughout with increased bibasilar opacities , right greater than left , which suggest likely developing infectious process possibly on a background of minimal pulmonary edema .
    OUTPUT:
    
Bibasilar opacities , right greater than left , may indicate developing infectious process .