Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There may be increased opacification at the right lung base . A tiny pleural effusion is seen on lateral view . No pneumothorax is seen . Stents in the expected locations of the left brachiocephalic vein and superior vena cava are again noted . The aorta is calcified and tortuous . Heart size is stably enlarged . Pulmonary vascular redistribution is stable .
    OUTPUT:
    
Equivocal right lower lung opacity , which could represent mild asymmetric lower lung predominant edema or less likely early pneumonia . Preliminary findings were discussed with Dr . ___ by Dr . ___ by telephone at 11 :40 p .m . on ___ at the time of discovery of these findings . Updated interpretation was discussed with Dr . ___ by Dr . ___ by telephone at 9 : 16 a .m . on ___ after attending radiologist review .