Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is marked enlargement of the cardiac silhouette . There is mild pulmonary edema . There is redemonstration of bibasilar opacities worse on the left . Dilated loop of large bowel in the right upper quadrant measures up to ___ .3 cm in widest dimension , increased since prior . No evidence of free air .
    OUTPUT:
    
1 . Severe cardiomegaly with mild pulmonary edema . 2 . Bibasilar opacities worse on the left , presumably due to atelectasis , however given the extent of chronic consolidation in the left lower lobe an underlying infectious process can not be excluded . 3 . Increased colonic distension . No free air .