Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The cardiac silhouette is moderately enlarged , and unchanged from the prior exam . The mediastinal contours are normal . A pacemaker is present with the wires in unchanged position . Noted is a wire extending through a duplicated SVC and terminating within the coronary sinus .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable moderate cardiomegaly .