Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The pacemaker leads appear appropriate and unchanged in positioning . There is no evidence of pneumothorax . Mild pulmonary edema is unchanged . Low lung volumes with bibasilar atelectasis and probable small bilateral pleural effusions . No focal consolidations . Stable severe cardiomegaly .
    OUTPUT:
    
1 . Appropriate positioning of the pacemaker leads without evidence of pneumothorax . 2 . Mild pulmonary edema . 3 . Probable small bilateral pleural effusions .