This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
A 66 year old female is posted for subtotal gastrectomy for adenocarcinoma. The important procedure related complication: 
Select and explain. 
A. Pneumothorax, B. Constipation, C. Hemolytic anemia, D. Bilious vomiting
D: Bilious vomiting
Answer: D: Bilious vomiting 
Explanation: Ans. (d) Bilious vomitingRef: Sabiston 20th Edition, Page 1212Complications of Gastric Surgeries:* Dumping syndrome* Afferent loop syndrome* Efferent loop syndrome* Malabsorption syndrome (Anemia, hypocalcemia, B12 deficiency)* Alkaline reflux gastritis* Bile reflux gastritis* Gastric atony* Duodenal stump blow out.