Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left pectoral dual - lead pacemaker is unchanged . Sternotomy wires are intact and aligned . The patient has had prior tricuspid valve replacement and mitral valve repair . Mild pulmonary edema is unchanged , moderate cardiomegaly , and small bilateral pleural effusions , right greater than left , are unchanged . There is no pneumothorax .
    OUTPUT:
    
No significant interval change in mild pulmonary edema , small bilateral pleural effusions , and moderate cardiomegaly .