Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is within normal limits . Evaluation of pulmonary parenchyma is mildly limited by deep brain stimulator pacers projecting over the mid lungs bilaterally .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .