Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs from ___ , there is no significant change . Patient is status post CABG with median sternotomy wires in place . There is no focal consolidation , pleural effusion or pneumothorax . No central vascular congestion or overt pulmonary edema . Mediastinal and hilar contours are stable . Moderate cardiomegaly is unchanged .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Stable moderate cardiomegaly .