This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal Radiology, Subject name: Radiology
Unilateral elevation of diaphragm is commonly due to 
Select and explain. 
A. Obesity, B. Large Liver, C. Scoliosis, D. Congenital causes
B: Large Liver
Answer: B: Large Liver 
Explanation: Causes of unilateral elevation of the dome of diaphragm: 1. Idiopathic 2. Eventration 3. Muscular disease 4. Radiation therapy 5. Neurologic disease (Stroke, polio) 6. Trauma, Erb's palsy