Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is marked elevation of the right hemidiaphragm with subsequent right lung volume . Multiple air - filled loops of bowel are seen under the elevated diaphragm , obscuring the right heart border and the heart size can not be determined on this study . There is no pneumothorax or significant pulmonary edema . The lungs appear grossly clear , however , assessment is limited due to large right diaphragmatic hernia .
    OUTPUT:
    
No evidence of focal pneumonia , pulmonary edema or pneumothorax . Marked elevation of right hemidiaphragm secondary to presence of large right diaphragmatic hernia .