Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 marrow patchy areas of increased opacity in both lower lungs . Unclear if this is due to volume loss or infiltrate . This is slightly worse contour predominantly in the right lower lobe . There continues to be pulmonary vascular redistribution . There are no effusions .
    OUTPUT:
    
Increased opacity in the right lower lung which could represent an infectious infiltrate .