Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . The heart size is normal . Hilar contours are normal . Linear lucencies adjacent to the trachea in the upper mediastinum may represent pneumomediastinum . There is free air seen under the diaphragms bilaterally , which is expected status post laparoscopic surgery done on ___ . The rounded opacity overlying the lower lungs bilaterally are similar to prior study and represent nipple shadows .
    OUTPUT:
    
No acute cardiopulmonary process . Pneumoperitoneum and probable small amount of pneumomediastinum is expected postop day # 1 from laparoscopic surgery .