Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Indistinctness of the left heart border with left mid and lower lung airspace opacity has progressed slightly compared with the recent prior study . The right mid and lower lung airspace opacification has improved . There is no pleural effusion , pulmonary edema , or pneumothorax . Enlargement of the cardiomediastinal silhouette is unchanged . Mild biapical pleural thickening is stable .
    OUTPUT:
    
Slight interval increase in the extent of the left lung consolidation with slight decrease in the right lower lung airspace opacity .