Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . There is interval improvement in the left retrocardiac opacity . There is now an increased opacity over the right upper lobe . No pleural effusion , pneumothorax , or pulmonary edema is seen . There is stable mild cardiomegaly . Mediastinal and hilar contours are normal .
    OUTPUT:
    
1 . New right upper lobe opacity , in the appropriate clinical setting this can represent early consolidation . 2 . Interval improvement in the left retrocardiac opacity .