gastrologist

例句：

1. 1. He consulted a gastroenterologist for his chronic stomach pain.
   他因慢性胃痛而咨询了一位胃肠病学家。
2. 2. The gastroenterologist recommended a low-fat diet for his patient's recovery.
   胃肠病学家为他的病人推荐了低脂肪饮食以促进康复。
3. 3.During the consultation, the gastroenterologist discussed the patient's symptoms and potential treatments.
   在咨询过程中，胃肠病学家讨论了病人的症状和可能的治疗方法。