Surgery Which of the following is true about gastrointestinal carcinoid tumor? A Alcohol has no effect on the flushing attacks B Occur most commonly in jejunum C Tumors most commonly produce histamine D Preoperative octreotide scanning can detect extent of the disease 💡 Explanation Which of the following is true about gastrointestinal carcinoid tumor? ✓ Correct Answer: D. Preoperative octreotide scanning can detect extent of the disease