Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is airspace consolidation within the right middle and lower lobes , largely unchanged from prior examination dated ___ . The upper lungs are grossly clear bilaterally . The heart remains mildly enlarged with mild central pulmonary vascular congestion . No large pleural effusion or pneumothorax is identified .
    OUTPUT:
    
1 . Unchanged appearance of a right middle / right lower lobe airspace opacity compatible with pneumonia , although rounded atelectaasis is a possibility . 2 . Mild cardiomegaly and central pulmonary vascular congestion .