Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest demonstrates low lung volumes with some associated bibasilar atelectasis . Heart size is top normal . There is no evidence of pneumothorax , focal pneumonia , large pleural effusion , or pulmonary edema . There is elevation of the right hemidiaphragm which may be due to hepatomegaly , contributing to low lung volumes . Biliary stents are seen in the abdomen and ERCP stent is seen within the stomach , as before , on biliary catheter check from ___ .
    OUTPUT:
    
No acute cardiopulmonary disease . Low lung volumes with bibasilar atelectasis .