Constriction in the first part of the 12 in chronic cases of peptic ulcers and because of multiple ulcers .. not allow food to pass from the stomach gap to the small intestine

Stenosis in the first part of the duodenal stenosis:
This is usually the case in the chronic cases of peptic ulcers and because of the multiplicity of ulcers and convergence in this part of the twelve resulting in a fibula (ie, a scar tissue) in the wall of the twelve and over time the fibrosis increases causing the first part of the twelve to the extent that the passage of food From the stomach gap to the small intestine, the patient feels nauseous and suffers frequent exhaustion and loss of weight.