Consider the following medical report that includes the patient's historical health records. Use it to predict the disease that the patient is high likely exposed to. 

 Medical Report: allergies: nkda a: stable noc. p: scope today, follow hct. procedure: other endoscopy of small intestine endoscopic control of gastric or duodenal bleeding diagnoses: esophageal reflux tobacco use disorder acute posthemorrhagic anemia asthma, unspecified type, unspecified morbid obesity chronic or unspecified gastric ulcer with hemorrhage, without mention of obstruction 

Answer: The patient is high likely exposed to