Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart continues to be moderately enlarged , and a left cardiac device is again seen with its leads in appropriate position . The mediastinal contours are stable , and the patient is status post median sternotomy . There is no focal consolidation , pleural effusion or overt pulmonary edema .
    OUTPUT:
    
Moderate cardiomegaly without acute cardiopulmonary process .