(Thanks to Maple Leaf Yellow Spring, kenny75, DRDER for the moon ticket encouragement)
"What did you have for lunch?" Liu Yiqing asked seriously.
"Uh... I had hot pot," the patient said with some concern.
The expressions of Liu Banxia and Liu Yiqing already indicated there was a problem. It seemed like the black stool wasn't an ordinary situation.
After hearing her words, Liu Yiqing felt a little relieved, "Did you eat any blood products like duck blood?"
The patient shook her head, "I'm afraid to eat blood."
This made Liu Yiqing and Liu Banxia worried again. Oh no, it could be upper gastrointestinal bleeding.
"Then think carefully, have you eaten any dark-colored foods recently?" Liu Yiqing asked.
The patient shook her head again, "No, actually my diet is usually quite light. Doctor, is something wrong?"
"Your situation is a bit troublesome; you need to have a gastrointestinal endoscopy," Liu Yiqing said.
