What does endoscopic tissue biopsy needle mean

Pathological biopsy is performed through endoscopy, mainly through endoscopy, examination of the lesion, and then diagnosis is made by biopsy. In this way can determine whether there is a malignant tumor can determine the specific nature of the disease, during such an examination, pay attention to do not eat some food to stimulate the stomach, do not eat spicy food, more can not smoke and drink.