Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe cardiac enlargement is stable . A left chest wall pulse generator device with transvenous pacing lead terminating in the right ventricle is unchanged in position . The lungs are clear , with no evidence of pneumothorax , pleural effusion , pulmonary edema , or focal consolidation worrisome for pneumonia .
    OUTPUT:
    
Severe cardiomegaly is unchanged . No acute process .