Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post midline sternotomy with mediastinal clips again noted . Mild cardiomegaly is unchanged . Mediastinal contour appears normal . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema .
    OUTPUT:
    
Mild , stable cardiomegaly . No evidence for acute cardiopulmonary process .