Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . Heart size is top normal . Mediastinal contours are stable with stable positioning of pacemaker hardware .
    OUTPUT:
    
Top normal heart size without acute findings . Updated interpretation discussed with Dr . ___ by ___ by phone at 8 :49 a .m . on ___ after attending radiologist review .